Update README.md

[Nametags] Use weak keys for registered team maps to fix disconnected player leak

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+<svg xmlns="http://www.w3.org/2000/svg" width="92" height="20" role="img" aria-label="Release: 6.1.1"><title>Release: 6.1.1</title><filter id="blur"><feGaussianBlur stdDeviation="16"/></filter><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="92" height="20" rx="3"/></clipPath><g clip-path="url(#r)"><rect width="53" height="20" fill="#555"/><rect x="53" width="39" height="20" fill="#007ec6"/><rect width="92" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><g transform="scale(.1)"><g aria-hidden="true" fill="#010101"><text x="275" y="150" fill-opacity=".8" filter="url(#blur)" textLength="430">Release</text><text x="275" y="150" fill-opacity=".3" textLength="430">Release</text></g><text x="275" y="140" textLength="430">Release</text></g><g transform="scale(.1)"><g aria-hidden="true" fill="#010101"><text x="715" y="150" fill-opacity=".8" filter="url(#blur)" textLength="290">6.1.1</text><text x="715" y="150" fill-opacity=".3" textLength="290">6.1.1</text></g><text x="715" y="140" textLength="290">6.1.1</text></g></g></svg>

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.github/description/images/ImageGenerator.py

@@ -274,7 +274,7 @@ if __name__ == "__main__":
                  ]
     )
 
-    release = "6.0.3"
+    release = "6.1.1"
     download_image(f"https://img.shields.io/badge/Release-{release}-blue.svg", "Badge_Release.svg")
 
     java = "8+"

.github/wiki/compatibility.md

@@ -7,19 +7,13 @@
 * [Compatibility issues](#compatibility-issues)
 
 # Requirements
-TAB does not depend on any other plugins. The experience can however be enhanced by installing other plugins, see below.
-
-## Java
-TAB's shared module is compiled with Java 8. For the platforms themselves, TAB does have a higher requirement, however, it does not require a Java version higher than the server software itself does. Specifically:
-* Fabric and NeoForge require Java 25
-* Velocity requires Java 17
-* Bukkit and BungeeCord are ok with Java 8
+TAB does not depend on any other plugins. The experience can however be enhanced by installing other plugins, see below. There is also no additional Java version requirement. If your server runs on your Java version, TAB will too.
 
 # Supported server software and versions
 With the introduction of new Minecraft versions, it is becoming harder and harder to support many versions in the same jar, eventually making it impossible since Minecraft 26.1.  
 **As a general rule, if you want the latest TAB version for your server please use [Modrinth](https://modrinth.com/plugin/tab-was-taken)'s download filter where you can select your server software and version and you'll get the latest jar.**
 
-Currently, the latest Minecraft version supported by TAB is 26.1.2. When new versions come out, TAB is always updated soon after to support them.
+Currently, the latest Minecraft version supported by TAB is **26.2**. When new versions come out, TAB is always updated soon after to support them.
 
 If your server software and version is reasonably popular and TAB hasn't been backported to that version in a very long time, you may [request a backport](https://github.com/NEZNAMY/TAB/issues/new/choose) (unless backports to that version are no longer offered, see below).  
 Since TAB 6.0.0, Minecraft 1.x started taking hits with each subsequent versions - Bukkit versions started disappearing and **modded platforms no longer offer backports of TAB 6.0.0+ to MC 1.x** (this is because the build scripts had to be massively changed for MC 26+).

.github/wiki/feature_guide_belowname.md

@@ -7,8 +7,8 @@
 * [Compatibility with other plugins](#compatibility-with-other-plugins)
 * [Additional info](#additional-info)
   * [Additional note 1 - Copying nametag visibility rule](#additional-note-1---copying-nametag-visibility-rule)
-  * [Additional note 2 - Hidden on sneak on 1.8](#additional-note-2---hidden-on-sneak-on-18)
-  * [Additional note 3 - Visible on NPCs](#additional-note-3---visible-on-npcs)
+  * [Additional note 2 - [1.8.x] Hidden on sneak](#additional-note-2---18x-hidden-on-sneak)
+  * [Additional note 3 - [26.1.2-] Visible on NPCs](#additional-note-3---2612--visible-on-npcs)
     * [[26.1.x] Visible on all entities](#261x-visible-on-all-entities)
   * [Additional note 4 - Compatibility with modified clients](#additional-note-4---compatibility-with-modified-clients)
 * [Troubleshooting](#troubleshooting)
@@ -18,13 +18,14 @@
   * [Example 2 - Hiding `title` for 1.20.3+ players](#example-2---hiding-title-for-1203-players)
   * [Example 3 - Displaying health as 0-10 or in %](#example-3---displaying-health-as-0-10-or-in-)
   * [Example 4 - Health bar using hearts](#example-4---health-bar-using-hearts)
+  * [Example 5 - Conditionally hiding belowname for 26.2+ viewers](#example-5---conditionally-hiding-belowname-for-262-viewers)
 * [Tips & Tricks](#tips--tricks)
   * [Tip 1 - Heart symbol](#tip-1---heart-symbol)
 
 # About
-This features gives you control over Minecraft's scoreboard objective feature with BELOW_NAME slot.
-This line is displayed below the nametags of all player entities in game. It is not possible to explicitly disable this feature for NPCs; however, this goal can be achieved (see below for more info).
-It is only visible when within an 8-block range of the player (the range is hardcoded in the client and cannot be changed with a plugin).
+This features gives you control over Minecraft's scoreboard objective feature with BELOW_NAME slot.  
+On Minecraft 1.21.11 and below, it is visible on all player entities (including NPCs). On 26.1.x, it is visible on all player entities and all named entities (such as holograms), making this feature unusable. On 26.2 and above, it only appears on entities with a score assigned (the ideal implementation).  
+It is only visible when the target player is within a 10-block range of the viewer (the value is configurable since Minecraft 26.1).
 
 Example visual effect:  
 ![](https://images-ext-1.discordapp.net/external/YlGPCRDJVeZZI0TPWmVBKyHszxSkjatmclyqUThvTz8/https/image.prntscr.com/image/jcETUzVQQYqectQ2aI4iqQ.png)
@@ -54,8 +55,8 @@ All the options are explained in the following table.
 |---------------------|-----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | enabled             | true                  | Enables / Disables the feature                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
 | value               | %health%              | [1.20.2-] An integer from -2147483648 to 2147483647, doesn't support decimal values. The number is always white. Supports placeholders with player-specific output, such as player health. Only visible on 1.20.2 and lower. <br/> **Note**: Even if you only support 1.20.3+, you still need to configure this value to properly evaluate to a number, because the value is still sent to the client (just not displayed). You can set it to `0` for simplicity.                                                                              |
-| fancy-value         | &c%health%            | [1.20.3+] Any text, supports placeholders with per-player output. Only visible on 1.20.3+, where it completely replaces `value`.                                                                                                                                                                                                                                                                                                                                                                                                               |
-| fancy-value-default | NPC                   | [1.20.3+] Default number format (`fancy-value`) for all player entities. `fancy-value` is displayed on every real player, therefore this default value will only appear on player entities which are not actual players, a.k.a. NPCs. Only visible on 1.20.3+.                                                                                                                                                                                                                                                                                 |
+| fancy-value         | &c%health%            | [1.20.3+] Any text, supports placeholders with per-player output. Only visible on 1.20.3+, where it completely replaces `value`. When evaluates to an empty string, the entire belowname is hidden for viewers using MC 26.2+ (when it was made possible).                                                                                                                                                                                                                                                                                                                                                                                                               |
+| fancy-value-default | NPC                   | [1.20.3 - 26.1.2] Default number format (`fancy-value`) for all player entities. `fancy-value` is displayed on every real player, therefore this default value will only appear on player entities which are not actual players, a.k.a. NPCs. Only visible on since 1.20.3 (the function did not exist prior) until 26.1.2 (player entities without scores no longer display any belowname since 26.2).                                                                                                                                                                                                                                                                                 |
 | title               | Health                | Shared label shown after the score for every player entity. Player sees the same text on everyone (= placeholders are parsed for the viewer). Use the `value`/`fancy-value` fields for per‑player data; use `title` only for static labels like `Health` or placeholders which are supposed to be parsed for the viewing player.                                                                                                                                                                                                               |
 | disable-condition   | %world%=disabledworld | A [condition](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Conditional-placeholders) (either name of a condition or a conditional expression) that must be met for disabling the feature for players. Set to empty for not disabling the feature ever. <br/> **Note**: Disabling the feature for a player means sending objective unregister packet to them, which results in player not seeing belowname on anyone anymore. It doesn't work the other way around - you cannot disable this feature on target players, only for viewers. |
 
@@ -82,10 +83,10 @@ Note that if this was automatically generated by a plugin, it will probably be a
 The Minecraft feature is programmed to be affected by nametag visibility rule.
 This means that when the nametag is set to invisible, belowname will be invisible as well.
 
-## Additional note 2 - Hidden on sneak on 1.8
+## Additional note 2 - [1.8.x] Hidden on sneak
 Belowname is not visible on 1.8.x clients when player is sneaking. This is client-sided behavior and cannot be changed by the server.
 
-## Additional note 3 - Visible on NPCs
+## Additional note 3 - [26.1.2-] Visible on NPCs
 Belowname objective is automatically attached to all entities of player type with the default value of
 `0` (<1.20.3) or value configured as `fancy-value-default` (1.20.3+).
 This includes player NPCs.
@@ -240,4 +241,24 @@ belowname-objective:
   title: "&4❤"
 ```
 > [!IMPORTANT]
-> Make sure your config is [saved in UTF-8 encoding](https://github.com/NEZNAMY/TAB/wiki/How-to-save-the-config-in-UTF8-encoding) to properly read the heart symbol.
+> Make sure your config is [saved in UTF-8 encoding](https://github.com/NEZNAMY/TAB/wiki/How-to-save-the-config-in-UTF8-encoding) to properly read the heart symbol.
+
+## Example 5 - Conditionally hiding belowname for 26.2+ viewers
+Since Minecraft 26.2, belowname only appears on entities with a score. This can be used to disable the belowname on players with a condition. We are trying to achieve a condition like this: "If something, hide belowname for 26.2+ viewers".  
+TAB is made to reset score (= hide belowname) of target players for 26.2+ viewers (<26.2 viewers are not affected, resetting scores for them would result in `fancy-value-default` to be shown, which is undesirable) if `fancy-value` evaluated to an empty string. Therefore, we will need to make a [relational condition](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Conditional-placeholders#relational-conditions) that checks the viewer's version and returns empty string if some condition is met.  
+Here is an example of hiding it if target player has less than 10 health (5 hearts):
+```
+conditions:
+  belowname-health:
+    conditions:
+      - "%viewer:player-version-id%>=776"  # 26.2 uses 776, check for viewer's version, not target player's
+      - "%health%<10"  # This should check target player's health
+    type: AND
+    true: ""  # Viewer is on 26.2+ and target has less than 10 health, return empty string to hide it
+    false: "%health%"  # Display health as normal
+```
+Then, use this condition as a relational condition (because it checks both viewer and target players):
+```
+belowname-objective:
+  fancy-value: "%rel_condition:belowname-health%"
+```

.github/wiki/feature_guide_conditional_placeholders.md

@@ -10,6 +10,8 @@
   * [Using in a field where condition is expected (short format)](#using-in-a-field-where-condition-is-expected-short-format)
   * [Relational conditions](#relational-conditions)
 * [Refresh interval](#refresh-interval)
+* [Additional info](#additional-info)
+  * [Additional note 1 - Choosing the correct AND / OR type](#additional-note-1---choosing-the-correct-and--or-type)
 * [Examples](#examples)
   * [Example 1 - Chaining conditional placeholders](#example-1---chaining-conditional-placeholders)
   * [Example 2 - Combining AND and OR](#example-2---combining-and-and-or)
@@ -52,6 +54,9 @@ condition must contain the altered output.
 To see the exact output of a placeholder including color codes, use `/tab parse <player> <placeholder>`.
 
 ## Permission
+> [!WARNING]
+> Giving someone OP status will automatically give them all permissions, which will make all the permission checks in conditions pass.
+
 | Operation             | Description                     | Example                                                                                      |
 |-----------------------|---------------------------------|----------------------------------------------------------------------------------------------|
 | `permission:<value>`  | Permission requirement          | `permission:my.permission` will pass if player has `my.permission` permission                |
@@ -146,8 +151,9 @@ There are 2 ways to use it:
 * display-condition of layout player groups (which is currently the only feature supporting it as it would not make sense elsewhere)
 * A placeholder using `%rel_condition:<condition>%` syntax
 
-If trying to use relational condition in `%condition:name%` syntax, it will return a warning text instead of evaluating the condition.
-Same the other way around, if trying to use standard condition in `%rel_condition:name%` syntax, it will return a warning text.
+Using `%viewer:...%` will upgrade the condition to a relational condition and standard version will no longer be available.  
+If trying to use relational condition in `%condition:name%` syntax, it will return a warning text instead of evaluating the condition.  
+Same the other way around - if trying to use standard condition in `%rel_condition:name%` syntax, it will return a warning text.
 
 # Refresh interval
 Conditions are just placeholders after all, and, as such, they must be refreshed periodically.
@@ -157,6 +163,13 @@ Permission checks count as 1000ms.
 To configure refresh intervals of placeholders,
 check out the [Optimization guide](https://github.com/NEZNAMY/TAB/wiki/Optimizing-the-plugin#2---all-platforms-placeholder-refresh-intervals).
 
+# Additional Info
+## Additional note 1 - Choosing the correct AND / OR type
+Sometimes you want to combine multiple expressions using `AND` or `OR`. When doing this, you must pick the correct one based on your needs.  
+A common mistake is trying to turn spoken language directly into config, which can be wrong.
+
+For example, you say you want to display scoreboard in servers `server1` **and** `server2`. As such, you may accidentally use `type: AND` or `;` in short format (`%server%=server1;%server%=server2`). This is, however, wrong, because that would mean your server must be `server1` **and** `server2` at the same time, which is obviously impossible. The correct type is `OR` here (`|`). So instead of thinking "I want to display scoreboard in `server1` **and** `server2`", you should think "I want to display scoreboard if player is in `server1` **or** `server2`.
+
 # Examples
 ## Example 1 - Chaining conditional placeholders
 Let's create colored ping by chaining conditions using multiple intervals for ping quality. This specific case would be easier done using [replacements](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Placeholder-output-replacements), but this is just an example. Let's say we want <50 for good, <100 for medium and 100+ for bad. Let's create the first condition:

.github/wiki/feature_guide_global_playerlist.md

@@ -140,9 +140,6 @@ Here are TAB's internal placeholders you can use when this feature is enabled:
 For compatibility with vanish plugins, vanish status must be detected correctly. See [Additional information - Vanish detection](https://github.com/NEZNAMY/TAB/wiki/Additional-information#vanish-detection) for more info.
 
 # Troubleshooting
-> [!NOTE]
-> This functionality is coming in the next TAB update (6.0.3 / 6.1.0). Adding it here to prepare the wiki in advance (and for users using dev builds).
-
 This is a collection of tips to help you figure out why the feature isn't working as you expect.  
 To get started, run `/tab dump <player looking at the tablist>` and open the generated link. Scroll down to `features` -> `GlobalPlayerList` and check the content:
 * If it says `GlobalPlayerList: Feature is disabled`, it means you did not enable the feature. Enable it by setting

.github/wiki/feature_guide_per_world_playerlist.md

@@ -2,6 +2,7 @@
 * [About](#about)
 * [Configuration](#configuration)
   * [Grouping playerlist from multiple worlds](#grouping-playerlist-from-multiple-worlds)
+    * [Pattern Matching](#pattern-matching)
 * ~Commands~
 * ~Placeholders~
 * ~Limitations~
@@ -40,4 +41,34 @@ Contains 2 groups, each of them consisting of 2 worlds.
 World group name can be anything (in our case, they're called "lobby" and "minigames").
 Under group name, list the actual world names.
 
-With this setup, "lobby1" and "lobby2" will share playerlist, as well as "paintball" with "bedwars". All other worlds will have playerlist not shared with any other worlds. Creating a group for 1 world only is completely useless.  
+With this setup, "lobby1" and "lobby2" will share playerlist, as well as "paintball" with "bedwars". All other worlds will have playerlist not shared with any other worlds. Creating a group for 1 world only is completely useless.
+
+### Pattern Matching
+World names in groups support multiple pattern types for flexible configuration:
+
+**Exact Match** - Matches server name exactly:
+```yaml
+  shared-playerlist-world-groups:
+    worlds:
+      - world1
+      - world2
+```
+
+**Wildcard Patterns** - Use `*` for prefix or suffix matching:
+```yaml
+  shared-playerlist-world-groups:
+    worlds:
+      - "World-*"      # Matches: World-1, World-2, World-Hub, etc.
+      - "*-world"      # Matches: eu-world, us-world, etc.
+```
+
+**Regex Patterns** - Use `regex:` prefix for advanced pattern matching:
+```yaml
+  shared-playerlist-world-groups:
+    worlds:
+      - regex:World-[0-9]+        # Matches: World-1, World-23, but not World-Hub
+    smp:
+      - regex:SMP-(EU|US)-[0-9]+  # Matches: SMP-EU-1, SMP-US-2, etc.
+```
+
+Note: Wildcard patterns are case-insensitive, while regex patterns are case-sensitive by default (use `(?i)` flag for case-insensitive regex).

.github/wiki/feature_guide_scoreboard.md

@@ -78,11 +78,8 @@ All of the options are explained in the following table.
 | toggle-command             | /sb           | Command that can be used to toggle scoreboard for the player running the command. Players need `tab.scoreboard.toggle` permission to use it. <br />**Note:** Commands are not supposed to be registered / unregistered dynamically at runtime. As such, you may run into small issues when changing the toggle command and reloading. After you modify the command to your liking, reconnect to properly see it in tabcomplete. If you don't use TAB on a proxy, consider restarting the server as well for the old command to actually be unregistered. |
 | remember-toggle-choice     | false         | When enabled, toggling decision is saved into a file to remember it even after reloads/restarts/reconnects                                                                                                                                                                                                                                                                                                                                                 |
 | hidden-by-default          | false         | If enabled, scoreboard will automatically be hidden on join until toggle command is used to show it.                                                                                                                                                                                                                                                                                                                                                       |
-| use-numbers                | false         | If enabled, numbers 1-15 will be used in the scoreboard. If disabled, `static-number` is shown everywhere. Will not be visible for 1.20.3+ players, instead, you can configure any text to show using `\|\|text` in the lines (scroll up for more info).                                                                                                                                                                                                   |
-| static-number              | 0             | If `use-numbers` is disabled, this is number to be in all lines.                                                                                                                                                                                                                                                                                                                                                                                           |
 | delay-on-join-milliseconds | 0             | Delay in milliseconds to send scoreboard after joining.                                                                                                                                                                                                                                                                                                                                                                                                    |
-| scoreboards                | *Map*         | Scoreboards to display based on conditions (see below for more info).
-|
+| scoreboards                | *Map*         | Scoreboards to display based on conditions (see below for more info). |
 
 ## Scoreboard
 A scoreboard consists of the following options:

.github/wiki/feature_requests.md

@@ -2,4 +2,3 @@
 A collection of things people have requested that I might look into implementing when I get extremely bored sometime next decade.
 * Relational placeholder support in sorting
 * 1.21.2+ sorting support
-* disable-condition support in multi-server-support

.github/wiki/home.md

@@ -1,5 +1,5 @@
 # About the wiki
-The wiki explains the functionality of the plugin as of version **6.0.2**.
+The wiki explains the functionality of the plugin as of version **6.1.0**.
 If your config looks different or is missing some features, you are using an old version of the plugin.
 To get the latest version, check [releases](https://github.com/NEZNAMY/TAB/releases/).  
 Wiki for older plugin versions is not available.

.github/wiki/how_to_use_minecraft_components.md

@@ -173,10 +173,13 @@ See table below for behavior based on your setup.
 # MiniMessage
 TAB has [MiniMessage](https://docs.advntr.dev/minimessage/format.html) hook, however, it does not include this library on its own. Including it would cause conflicts, so it has to be included in the server software.
 * It **is** included in **Paper 1.18.2+** and **Velocity**.
-* It **is not** included in **Spigot**, any server software for **1.18.1-**, **BungeeCord**, **Fabric**, **Forge** and **NeoForge**.
+* It **is not** included in **Spigot**, any server software for **1.18.1-**, **BungeeCord**, **Fabric**, **Forge** and **NeoForge**. However, you can install [adventure-platform-mod](https://modrinth.com/mod/adventure-platform-mod) on Fabric / NeoForge.
 
 When MiniMessage is detected on your server, it is automatically used unless support is disabled. All codes are translated to MiniMessage syntax and then parsed by MiniMessage.
 
+> [!WARNING]
+> TAB's gradient syntax (`<#RRGGBB>Text</#RRGGBB>`) is a compatibility layer that TAB rewrites before parsing, it is more fragile than native [MiniMessage](https://docs.advntr.dev/minimessage/format.html) gradients (`<gradient:#RRGGBB:#RRGGBB>Text</gradient>`). On **Velocity**, this is especially problematic because [MiniPlaceholders](https://github.com/MiniPlaceholders/MiniPlaceholders) (see [TAB integration PR #1677](https://github.com/NEZNAMY/TAB/pull/1677)) parses MiniMessage *before* TAB can rewrite its gradient syntax. For example, placeholder output like `<#E0B11E>MyServer</#FF0000>` is interpreted by MiniPlaceholders as a hex color tag (`<#E0B11E>`), but `</#FF0000>` is not recognized as a gradient closing tag, so the formatting breaks. Prefer native MiniMessage syntax in placeholder output (e.g. `<gradient:#E0B11E:#FF0000>MyServer</gradient>`). See [Placeholders - MiniPlaceholders](https://github.com/NEZNAMY/TAB/wiki/Placeholders#miniplaceholders) for more information.
+
 # Config options
 | Option name              | Default value | Description                                                                                                                                |
 |--------------------------|---------------|--------------------------------------------------------------------------------------------------------------------------------------------|

.github/wiki/installation.md

@@ -27,7 +27,7 @@ Install [TAB-Bridge](https://github.com/NEZNAMY/TAB/wiki/TAB-Bridge) on your **b
 If you are using **Velocity**,
 install [VelocityScoreboardAPI](https://github.com/NEZNAMY/VelocityScoreboardAPI/) plugin **on the proxy** for scoreboard-related features to work.
 
-> [!NOTE]  
+> [!NOTE]
 > With proxy installation, use **/btab** command instead of **/tab**.
 
 Advantages of proxy installation compared to installing on all backend servers instead:

.github/wiki/optimizing_the_plugin.md

@@ -1,24 +1,33 @@
+# Content
+* [About](#about)
+* [Ways of optimizing](#ways-of-optimizing)
+  * [#1 - [All platforms] Static text instead of placeholders](#1---all-platforms-static-text-instead-of-placeholders)
+  * [#2 - [All platforms] Placeholder refresh intervals](#2---all-platforms-placeholder-refresh-intervals)
+  * [#3 - [All platforms] Don't use RGB](#3---all-platforms-dont-use-rgb)
+  * [#4 - [All platforms] Don't use animations](#4---all-platforms-dont-use-animations)
+  * [#5 - [All platforms] Disable tablist name formatting](#5---all-platforms-disable-tablist-name-formatting)
+  * [#6 - [All platforms] Increase permission refresh interval](#6---all-platforms-increase-permission-refresh-interval)
+  * [#7 - [Proxies] Disable TAB expansion](#7---proxies-disable-tab-expansion)
+  * [#8 - [Proxies] Disable update-latency option in global playerlist](#8---proxies-disable-update-latency-option-in-global-playerlist)
+* [Netty false positive in spark reports](#netty-false-positive-in-spark-reports)
+  * [Why there is a false positive](#why-there-is-a-false-positive)
+  * [How to read the real value](#how-to-read-the-real-value)
+    * [Packet listening usage](#packet-listening-usage)
+    * [Sending packets](#sending-packets)
+
+# About
 This guide will explain all primary ways you can reduce plugin's CPU usage besides the obvious things like "don't spam animations" or "disable features you don't want".  
 The usage can be checked at any time using [**/tab cpu**](https://github.com/NEZNAMY/TAB/wiki/Commands-&-Permissions#tab-cpu) command. If the numbers appear to be higher than they should be, check this guide for various ways to optimize the plugin. Most of these apply for all platforms, but some of them are only specific for some platforms.
 
-# Content
-* [#1 - [All platforms] Static text instead of placeholders](#1---all-platforms-static-text-instead-of-placeholders)
-* [#2 - [All platforms] Placeholder refresh intervals](#2---all-platforms-placeholder-refresh-intervals)
-* [#3 - [All platforms] Don't use RGB](#3---all-platforms-dont-use-rgb)
-* [#4 - [All platforms] Don't use animations](#4---all-platforms-dont-use-animations)
-* [#5 - [All platforms] Disable tablist name formatting](#5---all-platforms-disable-tablist-name-formatting)
-* [#6 - [All platforms] Increase permission refresh interval](#6---all-platforms-increase-permission-refresh-interval)
-* [#7 - [Proxies] Disable TAB expansion](#7---proxies-disable-tab-expansion)
-* [#8 - [Proxies] Disable update-latency option in global playerlist](#8---proxies-disable-update-latency-option-in-global-playerlist)
-
-# #1 - [All platforms] Static text instead of placeholders
+# Ways of optimizing
+## #1 - [All platforms] Static text instead of placeholders
 Static text doesn't need to be refreshed periodically, resulting in better performance.
 Some placeholders can be replaced with static text, such as placeholder for max player counts,
 since that value doesn't change at runtime.
 Another option is to configure prefixes per-group in config
 instead of using placeholders to take those values from your permission plugin.
 
-# #2 - [All platforms] Placeholder refresh intervals
+## #2 - [All platforms] Placeholder refresh intervals
 Some placeholders take a long time to process and result in high cpu usage. However, this can be optimized by configuring refresh interval of placeholders.
 
 Internal placeholders use a value hardcoded into the plugin by default. PlaceholderAPI placeholders use `default-refresh-interval`.
@@ -45,16 +54,16 @@ making it look like the CPU is perfect, while on the next refresh it may be high
 For this reason, if you want to cleanly track usage, keep the interval at 10000 at most.
 Using a higher interval will help if needed, but may lead to misleading info in cpu output.
 
-# #3 - [All platforms] Don't use RGB
+## #3 - [All platforms] Don't use RGB
 Though RGB colors look good, they require the text to be split into several components with `color` field used instead of the whole text pasted into the `text` field. This is a complicated process that takes quite some time. Sticking to legacy colors results in better performance.
 
-# #4 - [All platforms] Don't use animations
+## #4 - [All platforms] Don't use animations
 While animations look cool, they also have a high resource usage.
 This is because they work by spamming updates every time an animation switches to a new frame.
 When animations are not used, no updates need to be sent (unless another placeholder changes value),
 not causing extra CPU usage.
 
-# #5 - [All platforms] Disable tablist name formatting
+## #5 - [All platforms] Disable tablist name formatting
 As we already know from [Client-sided mechanics](https://github.com/NEZNAMY/TAB/wiki/Client%E2%80%90sided-mechanics#nametag-format-in-tablist) page,
 the nametag format appears in tablist if tablist name is not defined.
 You can take advantage of this to effectively disable one entire feature and its cpu usage,
@@ -65,7 +74,7 @@ However, you can only do this if:
 
 Whether you have another plugin attempting to handle them or not may not be easy to identify with a lot of plugins and not enough time spent configuring them. In that case, your best choice is to try it and see. If tablist names break, it means you have another plugin and cannot take advantage of this optimization option.
 
-# #6 - [All platforms] Increase permission refresh interval
+## #6 - [All platforms] Increase permission refresh interval
 Plugin needs to constantly check permissions for:
 * Permission checks in conditions
 * Permission checks if sorting by permissions
@@ -79,7 +88,7 @@ Refreshes them every second.
 If you don't need any permission/group changes to take effect within a second,
 you can increase this value for better performance.
 
-# #7 - [Proxies] Disable TAB expansion
+## #7 - [Proxies] Disable TAB expansion
 To maximize the performance of TAB's response to PlaceholderAPI request,
 values are tracked in advance and then quickly returned.
 This process takes resources and is especially heavy on proxy installation,
@@ -90,5 +99,57 @@ Disabling TAB's PlaceholderAPI expansion if you don't use it improves performanc
 placeholders:
   register-tab-expansion: false
 ```
-# #8 - [Proxies] Disable update-latency option in global playerlist
-When [Global playerlist](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Global-playerlist) is enabled, you can enable / disable [update-latency](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Global-playerlist#:~:text=other%20unlisted%20servers.-,update%2Dlatency,-false) option (open the link for detailed description of the option). Disabling this option massively improves performance.  
+## #8 - [Proxies] Disable update-latency option in global playerlist
+When [Global playerlist](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Global-playerlist) is enabled, you can enable / disable [update-latency](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Global-playerlist#:~:text=other%20unlisted%20servers.-,update%2Dlatency,-false) option (open the link for detailed description of the option). Disabling this option massively improves performance.
+
+# Netty false positive in spark reports
+When taking a spark report with all threads monitored instead of just the server thread using `--thread *` argument (or on a proxy where this is enabled by default since there is no main thread to monitor by default), you may notice high usage (both CPU and RAM) in netty thread when grouping threads by plugin. **Vast majority of that usage is false positive.** Let's go over why this is the case and how to read the real value.
+
+## Why there is a false positive
+When listening to an event, the server fires the events in a loop, where each event is the end point. As such, measuring every event handler individually is accurate. Here is how the hierarchy looks with example numbers:
+```
+Event processing in loop (6ms total)
+↳ Plugin 1 (1ms)
+↳ Plugin 2 (2ms)
+↳ Plugin 3 (3ms)
+End of loop
+```
+As such, the measured values are accurate and spark is able to separate each event handler based on plugin. Command executions and repeating tasks are even simpler.
+
+The issue is with netty injection. The purpose is to listen to outgoing packets, react to them and possibly modify them. Unlike with events, these are not processed in parallel, but every handler forwards the packet to the next one (or doesn't if it should be cancelled). As such, the hierarchy looks like this (simplified version):
+```
+Beginning (12ms total)
+↳ Plugin 1 (1ms self, 12ms total)
+  ↳ Plugin 2 (1ms self, 11ms total)
+    ↳ Plugin 3 (1ms self, 10ms total)
+      ↳ Minecraft encoder (10ms self)
+```
+As such, spark will show 12ms total for Plugin 1, even though its own usage is only 1ms. This is due to a limitation of the design of Spark in combination with how netty handlers work. This is only the case for plugins with their own netty injection, it does not apply to plugins that use ProtocolLib, because that one offers event-like functionality explained above. In this case, the usage shown in spark report is 100% accurate.
+
+## How to read the real value
+An actual usage of the netty threads can be split into 2 parts:
+* Listening to outgoing packets
+* Sending packets, which causes it to go though the pipeline and then encode
+
+### Packet listening usage
+This one is simple and accurate. Take the shown number, expand the call stack and subtract `io.netty.channel.ChannelDuplexHandler.write()` usage, which is forwarding the packet to the next handler and would be there even if that plugin wasn't injected.  
+Let's take a look at a practical example:
+<img width="1091" height="266" alt="image" src="https://github.com/user-attachments/assets/6d9e8c25-8375-413b-ab9b-31b52ff9262c" />
+
+Here, spark reports `31.71%` usage by TAB. However, `30.87%` of it is forwarding it to the next handler (`io.netty.channel.ChannelDuplexHandler.write()`), which forwards it to the next one, until eventually the server encodes the packet. Therefore, TAB's real usage by listening to outgoing packets in this report is `31.71%` - `30.87%` = `0.84%`. Much less than what you originally see.
+
+### Sending packets
+Sadly, this one is impossible to calculate directly. When a packet is scheduled for sending, it is only added to a queue, then consumed by a netty thread, not the caller thread. At that point we are losing information about where a packet comes from.  
+There is some good news though.
+
+First, vast majority of plugins barely send any packets. For example PlaceholderAPI is just an interface between plugins, chat plugins only modify chat message packets that would be sent anyway, ViaVersion same thing, and so on...
+
+
+Second, plugins that send a lot of packets usually send the kind that the server either doesn't send at all, or not much. Expanding the data from the previously shown report gives us this:
+<img width="1083" height="496" alt="image" src="https://github.com/user-attachments/assets/c6157e78-ef6a-4d9c-b4b7-7c7b32dd14f8" />
+
+Here we can see that encoding team packets took 0.99%. Since TAB is the only team plugin you need for managing players, it is safe to assume most, if not all of it comes from TAB.  
+Same here - 0.13% from header and footer.
+<img width="1085" height="93" alt="image" src="https://github.com/user-attachments/assets/559dce56-83d3-49b2-9f4b-29b6124f944c" />
+
+Sadly there are other operations needed than just encoding packets, such as allocating buffers and other, so this part is not that simple anymore.

.github/wiki/placeholders.md

@@ -5,6 +5,7 @@
   * [Backend only](#backend-only)
   * [Proxy only](#proxy-only)
 * [PlaceholderAPI](#placeholderapi)
+* [MiniPlaceholders](#miniplaceholders)
 * [Relational placeholders](#relational-placeholders)
   * [About](#about-1)
   * [Usage](#usage)
@@ -107,7 +108,9 @@ Full list of placeholders (general + feature specific):
 | Identifier                        | Description                                                                                                                                                                                                                                                                     |
 |-----------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `%tab_replace_<placeholder>%`     | Applies [Placeholder output replacements](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Placeholder-output-replacements) to a PlaceholderAPI placeholder (for example `%tab_replace_essentials_vanished%`)                                                                 |
-| `%tab_placeholder_<placeholder>%` | returns value of tab's internal placeholder (such as `%tab_placeholder_animation:name%` for `%animation:name%`) (this also applies [Placeholder output replacements](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Placeholder-output-replacements) to them if configured) |
+| `%tab_placeholder_<placeholder>%` | Returns value of tab's internal placeholder (this also applies [Placeholder output replacements](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Placeholder-output-replacements) to them if configured). <br />Example: `%tab_placeholder_animation:name%` for `%animation:name%` |
+| `%rel_tab_replace_<rel_placeholder>%`     | Applies [Placeholder output replacements](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Placeholder-output-replacements) to a **relationnal** PlaceholderAPI placeholder |
+| `%rel_tab_placeholder_<rel_placeholder>%` | Returns value of tab's internal **relational** placeholder (this also applies [Placeholder output replacements](https://github.com/NEZNAMY/TAB/wiki/Feature-guide:-Placeholder-output-replacements) to them if configured). It may look strange that the `rel` is twice in there, but there's no other way. The first one tells PlaceholderAPI that this is a relational placeholder, the second one is part of the TAB's identifier, which also uses it to mark the placeholder as relational. <br />Example: `%rel_tab_placeholder_rel_condition:name%` for `%rel_condition:name%` |
 
 **BossBar**:
 
@@ -143,6 +146,12 @@ Full list of placeholders (general + feature specific):
 | `%tab_customtabname_raw%` | Player's current raw customtabname with placeholder identifiers. |
 | `%tab_tabsuffix_raw%`     | Player's current raw tabsuffix with placeholder identifiers.     |
 
+# MiniPlaceholders
+On **Velocity**, TAB integrates with [MiniPlaceholders](https://github.com/MiniPlaceholders/MiniPlaceholders) when the plugin is installed. TAB automatically detects and resolves MiniPlaceholders placeholders in config text, including global, per-player, and relational ones. Placeholders use angle brackets, with the expansion and name separated by an underscore (for example `<luckperms_prefix>`), and arguments added after a colon (for example `<luckperms_meta:key>`). See the [MiniPlaceholders placeholder list](https://miniplaceholders.github.io/docs/user-guide/Placeholders) for all available placeholders. TAB also registers its own expansion, offering placeholders such as `<tab_tabprefix>` and `<tab_placeholder:name>`. The `%placeholder%` syntax remains reserved for [PlaceholderAPI](https://github.com/PlaceholderAPI/PlaceholderAPI) (via TAB Bridge on Velocity).
+
+> [!WARNING]
+> TAB's gradient syntax (`<#RRGGBB>Text</#RRGGBB>`) is a compatibility layer that TAB rewrites before parsing, it is more fragile than native [MiniMessage](https://docs.advntr.dev/minimessage/format.html) gradients (`<gradient:#RRGGBB:#RRGGBB>Text</gradient>`). On **Velocity**, this is especially problematic because [MiniPlaceholders](https://github.com/MiniPlaceholders/MiniPlaceholders) parses MiniMessage *before* TAB can rewrite its gradient syntax. For example, placeholder output like `<#E0B11E>MyServer</#FF0000>` is interpreted by MiniPlaceholders as a hex color tag (`<#E0B11E>`), but `</#FF0000>` is not recognized as a gradient closing tag, so the formatting breaks. Prefer native MiniMessage syntax in placeholder output (e.g. `<gradient:#E0B11E:#FF0000>MyServer</gradient>`). See [How to use Minecraft components - MiniMessage](https://github.com/NEZNAMY/TAB/wiki/How-to-use-Minecraft-components#minimessage) for more information.
+
 # Relational placeholders
 ## About
 Unlike classic placeholders which take either 0
@@ -168,7 +177,7 @@ To properly distinguish viewer/target (if needed), your relational placeholder e
 
 # Refreshing
 ## Refresh intervals
-TAB is refreshing placeholders in intervals. For internal placeholders it's using values I found the most optimal and set directly in the plugin. Refresh intervals for PlaceholderAPI placeholders can be [configured](https://github.com/NEZNAMY/TAB/wiki/Optimizing-the-plugin#2---placeholder-refresh-intervals).
+TAB is refreshing placeholders in intervals. For internal placeholders it's using values I found the most optimal and set directly in the plugin. Refresh intervals for PlaceholderAPI placeholders can be [configured](https://github.com/NEZNAMY/TAB/wiki/Optimizing-the-plugin#2---all-platforms-placeholder-refresh-intervals).
 
 ## Sync refreshing
 By default, all placeholders are refreshed asynchronously,

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
           distribution: 'temurin'
           java-version: 25
       - name: Cache Gradle
-        uses: actions/cache@v4.2.0 # https://github.com/actions/cache/releases
+        uses: actions/cache@v6 # https://github.com/actions/cache/releases
         with:
           path: |
             ~/.gradle/caches
@@ -39,7 +39,7 @@ jobs:
             mv "$original" "$new_path"
           done
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.3.3 # https://github.com/actions/upload-artifact/releases
+        uses: actions/upload-artifact@v7 # https://github.com/actions/upload-artifact/releases
         with:
           name: Click here to download
           path: "jar/build/libs/TAB v*+${{ github.run_number }}.jar"

README.md

@@ -1,55 +1 @@
-# About
-TAB aims to be a superior all-in-one minecraft plugin for displaying information that outperforms all 
-similar plugins in terms of features, performance and compatibility.  
-More information can be found at [Why TAB?](https://github.com/NEZNAMY/TAB/wiki/Why-TAB%3F) wiki page.
-
-# Download
-### Releases
-You can download full releases from [GitHub releases](https://github.com/NEZNAMY/TAB/releases), 
-[SpigotMC](https://www.spigotmc.org/resources/57806/), [Modrinth](https://modrinth.com/plugin/tab-was-taken), [BuiltByBit](https://builtbybit.com/resources/20631) or [CurseForge](https://www.curseforge.com/minecraft/mc-mods/tab).
-
-### Dev builds
-Plugin's development is continuous and contains lots of small changes/fixes not worthy of being called a full
-update, therefore development builds are being created and eventually a full update is released when enough changes are made.  
-If you want to benefit from a recent change in the code before official release, you can download development builds
-from [GitHub actions](https://github.com/NEZNAMY/TAB/actions) (you must be logged into GitHub to be able to download it).  
-
-# Compiling
-Compilation requires JDK 25 and up.  
-To compile the plugin, run `./gradlew build` from the terminal.  
-Once the plugin compiles, grab the jar from `/jar/build/libs/` folder.  
-The universal jar contains all modules for all supported platforms.
-
-# Documentation
-You can find everything about the plugin on the [Wiki](https://github.com/NEZNAMY/TAB/wiki). This includes a detailed description
-of all features, as well as information regarding compatibility or limitations of each feature.  
-
-# Issues
-The [Issues](https://github.com/NEZNAMY/TAB/issues) section is an issue tracker for all the kind of problems covered in issue templates.
-Please refrain from attempting to use it to receive help with your server, such issues will be closed immediately.  
-When opening an issue, provide as much information as possible. The difference between a bug getting fixed in 1 week vs 1 hour
-is in quality of the report. Bug reports where steps to reproduce are "idk" have no value and will not help to get the bug fixed at all.  
-
-# Contributing
-See [CONTRIBUTING.md](https://github.com/NEZNAMY/TAB/blob/master/CONTRIBUTING.md)
-
-# Provided services
-The plugin is being used by a large amount of servers, which also means the demand for my attention is high. Unfortunately, 
-I am no longer able to keep up with the demand since I don't want to dedicate my whole existence to a free plugin. 
-In order to provide the best quality of all provided services, the amount of services provided may vary over time. 
-Here is the full list of potential services and their status:
-
-| Service type                  | Availability |
-|-------------------------------|--------------|
-| Updates for new MC versions   | ✔            |
-| Bug fixes                     | ✔            |
-| Wiki improvements             | ✔            |
-| Performance optimizations     | ✔            |
-| Feature requests              | ❌            |
-| Customer support<sup>1</sup>  | ✔            |
-| Free user support<sup>2</sup> | ❌*           |
-
-<sup>1</sup> - Unrestricted assistance with the plugin for those, who bought a copy of the plugin when it was purchasable.  
-<sup>2</sup> - Unlimited access to my free time for everyone in the world.  
-  
-*Instead, you can use [this fresh new community discord](https://discord.gg/YPqXt63YQj) made by a nice person who will provide this service.  
+This is a backup of the repository at the state of 6.1.1 release.

build-logic/build.gradle.kts

@@ -3,7 +3,7 @@ plugins {
 }
 
 dependencies {
-    implementation("com.gradleup.shadow:shadow-gradle-plugin:9.4.1")
-    implementation("io.freefair.gradle:lombok-plugin:9.2.0")
-    implementation("dev.architectury.loom-no-remap:dev.architectury.loom-no-remap.gradle.plugin:1.14-SNAPSHOT")
+    implementation("com.gradleup.shadow:shadow-gradle-plugin:9.4.2")
+    implementation("io.freefair.gradle:lombok-plugin:9.5.0")
+    implementation("dev.architectury.loom-no-remap:dev.architectury.loom-no-remap.gradle.plugin:1.17-SNAPSHOT")
 }

build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 
 allprojects {
     group = "me.neznamy"
-    version = "6.1.0"
+    version = "6.1.1"
     description = "An all-in-one solution that works"
 
     ext.set("id", "tab")
@@ -46,6 +46,7 @@ val platformPaths = setOf(
     ":bungeecord",
     ":velocity",
     ":fabric",
+    ":fand",
     ":neoforge"
 //    ":forge"
 )

bukkit/paper_1_20_5/src/main/java/me/neznamy/tab/platforms/bukkit/paper_1_20_5/NMSPacketTabList.java

@@ -6,6 +6,7 @@ import lombok.NonNull;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
@@ -135,7 +136,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bukkit/paper_1_21_11/src/main/java/me/neznamy/tab/platforms/bukkit/paper_1_21_11/NMSPacketTabList.java

@@ -8,6 +8,7 @@ import lombok.NonNull;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.protocol.Packet;
@@ -138,7 +139,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bukkit/paper_1_21_2/src/main/java/me/neznamy/tab/platforms/bukkit/paper_1_21_2/NMSPacketTabList.java

@@ -6,6 +6,7 @@ import lombok.NonNull;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
@@ -136,7 +137,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bukkit/paper_1_21_4/src/main/java/me/neznamy/tab/platforms/bukkit/paper_1_21_4/NMSPacketTabList.java

@@ -6,6 +6,7 @@ import lombok.NonNull;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
@@ -137,7 +138,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bukkit/paper_1_21_9/src/main/java/me/neznamy/tab/platforms/bukkit/paper_1_21_9/NMSPacketTabList.java

@@ -8,6 +8,7 @@ import lombok.NonNull;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
@@ -139,7 +140,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bukkit/paper_26_2/src/main/java/me/neznamy/tab/platforms/bukkit/paper_26_2/NMSImplementationProvider.java

@@ -20,7 +20,8 @@ import org.jetbrains.annotations.NotNull;
 public class NMSImplementationProvider implements ImplementationProvider {
 
     /** Flag tracking if this server is Canvas 26.1.2+ with new scoreboard checks */
-    private final boolean isCanvas = ReflectionUtils.classExists("io.canvasmc.canvas.world.scores.TeamData");
+    private final boolean isCanvas = ReflectionUtils.classExists("io.canvasmc.canvas.world.scores.TeamData") ||
+            ReflectionUtils.classExists("io.canvasmc.canvas.threadedregions.scores.TeamData");
 
     @NotNull
     private final ComponentConverter<?> componentConverter = new NMSComponentConverter();

bukkit/paper_26_2/src/main/java/me/neznamy/tab/platforms/bukkit/paper_26_2/NMSPacketTabList.java

@@ -8,6 +8,7 @@ import lombok.NonNull;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.protocol.Packet;
@@ -138,7 +139,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitTabPlayer.java

@@ -5,10 +5,12 @@ import me.neznamy.tab.platforms.bukkit.platform.BukkitPlatform;
 import me.neznamy.tab.shared.backend.BackendTabPlayer;
 import me.neznamy.tab.shared.chat.component.TabComponent;
 import org.bukkit.Statistic;
+import org.bukkit.attribute.Attribute;
 import org.bukkit.entity.Player;
 import org.bukkit.metadata.MetadataValue;
 import org.bukkit.potion.PotionEffectType;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * TabPlayer implementation for Bukkit platform
@@ -16,6 +18,18 @@ import org.jetbrains.annotations.NotNull;
 @SuppressWarnings("deprecation")
 public class BukkitTabPlayer extends BackendTabPlayer {
 
+    /** Below name distance attribute (26.1+) */
+    @Nullable
+    private static Attribute BELOW_NAME_DISTANCE;
+
+    static {
+        try {
+            BELOW_NAME_DISTANCE = (Attribute) Attribute.class.getDeclaredField("BELOW_NAME_DISTANCE").get(null);
+        } catch (ReflectiveOperationException e) {
+            // 1.21.11 and lower
+        }
+    }
+
     /**
      * Constructs new instance with given bukkit player
      *
@@ -64,6 +78,13 @@ public class BukkitTabPlayer extends BackendTabPlayer {
         return (BukkitPlatform) platform;
     }
 
+    @Override
+    public void setBelowNameDistance(double distance) {
+        if (BELOW_NAME_DISTANCE != null) {
+            getPlayer().getAttribute(BELOW_NAME_DISTANCE).setBaseValue(distance);
+        }
+    }
+
     @Override
     public boolean isVanished0() {
         for (MetadataValue v : getPlayer().getMetadata("vanished")) {

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/platform/BukkitPlatform.java

@@ -389,6 +389,11 @@ public class BukkitPlatform implements BackendPlatform {
         Bukkit.getScheduler().runTask(plugin, task);
     }
 
+    @Override
+    public boolean hasLineOfSight(@NotNull TabPlayer viewer, @NotNull TabPlayer target) {
+        return ((Player) viewer.getPlayer()).hasLineOfSight((Player) target.getPlayer());
+    }
+
     /**
      * Converts component to string using bukkit RGB format if supported by the server.
      * If not, closest legacy color is used instead.

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/platform/FoliaPlatform.java

@@ -171,4 +171,9 @@ public class FoliaPlatform extends BukkitPlatform {
         if (!getPlugin().isEnabled()) return; // Server shutdown, no one cares anymore, everyone is about to be kicked
         globalScheduler_execute.invoke(globalScheduler, getPlugin(), task);
     }
+
+    @Override
+    public boolean hasLineOfSight(@NotNull TabPlayer viewer, @NotNull TabPlayer target) {
+        return true; // Cross-entity line-of-sight checks are not safe from Folia's global scheduler.
+    }
 }

bukkit/v1_19_R2/src/main/java/me/neznamy/tab/platforms/bukkit/v1_19_R2/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -152,7 +153,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_19_R3/src/main/java/me/neznamy/tab/platforms/bukkit/v1_19_R3/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -152,7 +153,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_20_R1/src/main/java/me/neznamy/tab/platforms/bukkit/v1_20_R1/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -152,7 +153,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_20_R2/src/main/java/me/neznamy/tab/platforms/bukkit/v1_20_R2/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -150,7 +151,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_20_R3/src/main/java/me/neznamy/tab/platforms/bukkit/v1_20_R3/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -150,7 +151,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_20_R4/src/main/java/me/neznamy/tab/platforms/bukkit/v1_20_R4/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -151,7 +152,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_21_R1/src/main/java/me/neznamy/tab/platforms/bukkit/v1_21_R1/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -151,7 +152,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_21_R2/src/main/java/me/neznamy/tab/platforms/bukkit/v1_21_R2/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -153,7 +154,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_21_R3/src/main/java/me/neznamy/tab/platforms/bukkit/v1_21_R3/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -155,7 +156,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_21_R4/src/main/java/me/neznamy/tab/platforms/bukkit/v1_21_R4/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -155,7 +156,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_21_R5/src/main/java/me/neznamy/tab/platforms/bukkit/v1_21_R5/NMSPacketTabList.java

@@ -4,9 +4,10 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -155,7 +156,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_21_R6/src/main/java/me/neznamy/tab/platforms/bukkit/v1_21_R6/NMSPacketTabList.java

@@ -6,9 +6,10 @@ import com.mojang.authlib.properties.Property;
 import com.mojang.authlib.properties.PropertyMap;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -157,7 +158,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v1_21_R7/src/main/java/me/neznamy/tab/platforms/bukkit/v1_21_R7/NMSPacketTabList.java

@@ -6,9 +6,10 @@ import com.mojang.authlib.properties.Property;
 import com.mojang.authlib.properties.PropertyMap;
 import lombok.NonNull;
 import lombok.SneakyThrows;
-import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
@@ -157,7 +158,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                 }
             }
             if (actions.contains(UPDATE_LISTED)) {
-                if (allPlayersHidden && nmsData.a().getMostSignificantBits() != 0) { // Filter out layout entries
+                if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.a())) { // Filter out layout entries
                     listed = false;
                     rewriteEntry = rewritePacket = true;
                 }

bukkit/v26_1/src/main/java/me/neznamy/tab/platforms/bukkit/v26_1/NMSPacketTabList.java

@@ -9,6 +9,7 @@ import lombok.SneakyThrows;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
 import net.minecraft.network.chat.Component;
@@ -144,7 +145,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bukkit/v26_2/src/main/java/me/neznamy/tab/platforms/bukkit/v26_2/NMSPacketTabList.java

@@ -9,6 +9,7 @@ import lombok.SneakyThrows;
 import me.neznamy.tab.platforms.bukkit.BukkitTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
 import net.minecraft.network.chat.Component;
@@ -144,7 +145,7 @@ public class NMSPacketTabList extends TrackedTabList<BukkitTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/tablist/BungeeTabList.java

@@ -5,6 +5,7 @@ import lombok.SneakyThrows;
 import me.neznamy.tab.platforms.bungeecord.BungeeTabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
 import net.md_5.bungee.UserConnection;
@@ -162,7 +163,7 @@ public abstract class BungeeTabList extends TrackedTabList<BungeeTabPlayer> {
                     }
                 }
                 if (update.getActions().contains(PlayerListItemUpdate.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && item.getUuid().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(item.getUuid())) { // Filter out layout entries
                         item.setListed(false);
                     }
                 }

fabric/src/main/java/me/neznamy/tab/platforms/fabric/FabricPlatform.java

@@ -273,6 +273,16 @@ public record FabricPlatform(MinecraftServer server) implements BackendPlatform
         return (float) server.getAverageTickTimeNanos() / 1000000;
     }
 
+    @Override
+    public void runSyncGlobal(@NotNull Runnable task) {
+        server.execute(task);
+    }
+
+    @Override
+    public boolean hasLineOfSight(@NotNull TabPlayer viewer, @NotNull TabPlayer target) {
+        return ((FabricTabPlayer) viewer).getPlayer().hasLineOfSight(((FabricTabPlayer) target).getPlayer());
+    }
+
     @Override
     @NotNull
     public Object dump() {

fabric/src/main/java/me/neznamy/tab/platforms/fabric/FabricTabList.java

@@ -7,6 +7,7 @@ import com.mojang.authlib.properties.PropertyMap;
 import lombok.NonNull;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.protocol.Packet;
@@ -136,7 +137,7 @@ public class FabricTabList extends TrackedTabList<FabricTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

fabric/src/main/java/me/neznamy/tab/platforms/fabric/FabricTabPlayer.java

@@ -6,6 +6,7 @@ import me.neznamy.tab.shared.chat.component.TabComponent;
 import net.minecraft.SharedConstants;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.stats.Stats;
+import net.minecraft.world.entity.ai.attributes.Attributes;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -62,6 +63,11 @@ public class FabricTabPlayer extends BackendTabPlayer {
         return (FabricPlatform) platform;
     }
 
+    @Override
+    public void setBelowNameDistance(double distance) {
+        getPlayer().getAttribute(Attributes.BELOW_NAME_DISTANCE).setBaseValue(distance);
+    }
+
     @Override
     public boolean isVanished0() {
         return false;

fabric/src/main/java/me/neznamy/tab/platforms/fabric/hook/PlaceholderAPIHook.java

@@ -46,7 +46,7 @@ public class PlaceholderAPIHook {
     private static String toTabString(@NotNull Component component) {
         StringBuilder sb = new StringBuilder();
         if (component.getStyle().getColor() != null) {
-            sb.append("#").append(Integer.toHexString(component.getStyle().getColor().getValue()));
+            sb.append(String.format("#%06X", component.getStyle().getColor().getValue()));
         }
         if (component.getStyle().isBold()) sb.append("§l");
         if (component.getStyle().isItalic()) sb.append("§o");
@@ -56,7 +56,7 @@ public class PlaceholderAPIHook {
         if (component.getContents() instanceof PlainTextContents text) {
             sb.append(text.text());
         } else {
-            sb.append(component.getContents()); // Fallback for non-plain text contents
+            sb.append(component.getContents()); // Fallback for non-text contents
         }
         for (Component extra : component.getSiblings()) {
             sb.append(toTabString(extra));

fand/build.gradle.kts

@@ -0,0 +1,8 @@
+dependencies {
+    implementation(projects.shared)
+    compileOnly("io.fand:fand-api:0.8.3+build.1")
+}
+
+tasks.compileJava {
+    options.release.set(25)
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandCommand.java

@@ -0,0 +1,40 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.command.Arguments;
+import io.fand.api.command.CommandContext;
+import io.fand.api.command.CommandRegistration;
+import io.fand.api.command.CommandRegistry;
+import java.util.Collections;
+import java.util.List;
+import org.jetbrains.annotations.NotNull;
+
+/** Shared Fand command adapter for TAB commands. */
+public abstract class FandCommand {
+
+    private final String commandName;
+
+    protected FandCommand(@NotNull String commandName) {
+        this.commandName = commandName;
+    }
+
+    @NotNull
+    public CommandRegistration register(@NotNull CommandRegistry registry) {
+        return registry.register(commandName, command -> {
+            command.executes(context -> execute(context, new String[0]));
+            command.argument("arguments", Arguments.greedyString(), arguments -> arguments
+                    .suggests(context -> complete(context, arguments(context)))
+                    .executes(context -> execute(context, arguments(context))));
+        });
+    }
+
+    private static String[] arguments(CommandContext context) {
+        return context.args().toArray(String[]::new);
+    }
+
+    protected abstract void execute(@NotNull CommandContext context, @NotNull String[] arguments);
+
+    @NotNull
+    protected List<String> complete(@NotNull CommandContext context, @NotNull String[] arguments) {
+        return Collections.emptyList();
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandEventListener.java

@@ -0,0 +1,86 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.entity.Player;
+import io.fand.api.event.EventPriority;
+import io.fand.api.event.player.PlayerChangedWorldEvent;
+import io.fand.api.event.player.PlayerDisguiseStateChangeEvent;
+import io.fand.api.event.player.PlayerGameModeChangeEvent;
+import io.fand.api.event.player.PlayerJoinEvent;
+import io.fand.api.event.player.PlayerQuitEvent;
+import io.fand.api.event.player.PlayerRespawnEvent;
+import io.fand.api.event.player.PlayerVanishStateChangeEvent;
+import io.fand.api.plugin.PluginContext;
+import java.util.UUID;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.platform.EventListener;
+import me.neznamy.tab.shared.platform.TabPlayer;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/** Bridges Fand player lifecycle events into TAB. */
+public final class FandEventListener implements EventListener<Player> {
+
+    private final PluginContext context;
+
+    public FandEventListener(@NotNull PluginContext context) {
+        this.context = context;
+    }
+
+    public void register() {
+        context.events().subscribe(PlayerJoinEvent.class, event -> join(event.player()));
+        context.events().subscribe(PlayerQuitEvent.class, event -> quit(event.player().uniqueId()));
+        context.events().subscribe(PlayerChangedWorldEvent.class,
+                event -> worldChange(event.player().uniqueId(), event.toWorld().name()));
+        context.events().subscribe(PlayerRespawnEvent.class, EventPriority.OBSERVER, event -> {
+            replacePlayer(event.player().uniqueId(), event.player());
+            worldChange(event.player().uniqueId(), event.respawnLocation().world().name());
+        });
+        context.events().subscribe(PlayerGameModeChangeEvent.class,
+                event -> gameModeChange(event.player().uniqueId()));
+        context.events().subscribe(PlayerVanishStateChangeEvent.class,
+                this::vanishStateChange);
+        context.events().subscribe(PlayerDisguiseStateChangeEvent.class,
+                event -> disguiseStateChange(event.player().uniqueId()));
+    }
+
+    @Override
+    @NotNull
+    public TabPlayer createPlayer(@NotNull Player player) {
+        return new FandTabPlayer((FandPlatform) TAB.getInstance().getPlatform(), player);
+    }
+
+    private void gameModeChange(UUID playerId) {
+        context.scheduler().runMain(() -> {
+            FandTabPlayer player = player(playerId);
+            if (player != null) {
+                TAB.getInstance().getFeatureManager().onGameModeChange(player);
+            }
+        });
+    }
+
+    private void vanishStateChange(PlayerVanishStateChangeEvent event) {
+        FandTabPlayer player = player(event.player().uniqueId());
+        if (player == null) {
+            return;
+        }
+        player.updateVanishState(event.vanished());
+        TAB.getInstance().getFeatureManager().onVanishStatusChange(player);
+    }
+
+    private void disguiseStateChange(UUID playerId) {
+        FandTabPlayer player = player(playerId);
+        if (player != null) {
+            TAB.getInstance().getFeatureManager().onDisguiseStatusChange(player);
+        }
+    }
+
+    @Nullable
+    private static FandTabPlayer player(UUID playerId) {
+        TAB tab = TAB.getInstance();
+        if (tab == null || tab.isPluginDisabled()) {
+            return null;
+        }
+        TabPlayer player = tab.getPlayer(playerId);
+        return player instanceof FandTabPlayer fandPlayer ? fandPlayer : null;
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandPacketListener.java

@@ -0,0 +1,134 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.packet.PacketController;
+import io.fand.api.packet.PacketPriority;
+import io.fand.api.packet.PacketType;
+import io.fand.api.packet.view.ClientboundPlayerInfoRemovePacketView;
+import io.fand.api.packet.view.ClientboundPlayerInfoUpdatePacketView;
+import io.fand.api.packet.view.ClientboundSetDisplayObjectivePacketView;
+import io.fand.api.packet.view.ClientboundSetObjectivePacketView;
+import io.fand.api.packet.view.ClientboundSetPlayerTeamPacketView;
+import io.fand.api.packet.view.ClientboundTabListPacketView;
+import io.fand.api.plugin.PluginContext;
+import me.neznamy.tab.shared.TAB;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/** Applies TAB's player-info anti-override rules through Fand's packet API. */
+final class FandPacketListener {
+
+    private final PluginContext context;
+
+    FandPacketListener(@NotNull PluginContext context) {
+        this.context = context;
+    }
+
+    void register() {
+        context.packets().intercept(
+                PacketType.PLAY_CLIENTBOUND_PLAYER_INFO_UPDATE,
+                ClientboundPlayerInfoUpdatePacketView.class,
+                PacketPriority.HIGHEST,
+                this::rewritePlayerInfo);
+        context.packets().intercept(
+                PacketType.PLAY_CLIENTBOUND_PLAYER_INFO_REMOVE,
+                ClientboundPlayerInfoRemovePacketView.class,
+                PacketPriority.HIGHEST,
+                this::observePlayerInfoRemove);
+        context.packets().intercept(
+                PacketType.PLAY_CLIENTBOUND_TAB_LIST,
+                ClientboundTabListPacketView.class,
+                PacketPriority.HIGHEST,
+                this::rewriteHeaderFooter);
+        context.packets().intercept(
+                PacketType.PLAY_CLIENTBOUND_SET_DISPLAY_OBJECTIVE,
+                ClientboundSetDisplayObjectivePacketView.class,
+                PacketPriority.HIGHEST,
+                this::observeDisplayObjective);
+        context.packets().intercept(
+                PacketType.PLAY_CLIENTBOUND_SET_OBJECTIVE,
+                ClientboundSetObjectivePacketView.class,
+                PacketPriority.HIGHEST,
+                this::observeObjective);
+        context.packets().intercept(
+                PacketType.PLAY_CLIENTBOUND_SET_PLAYER_TEAM,
+                ClientboundSetPlayerTeamPacketView.class,
+                PacketPriority.HIGHEST,
+                this::rewriteTeam);
+    }
+
+    private void rewritePlayerInfo(PacketController<ClientboundPlayerInfoUpdatePacketView> packet) {
+        FandTabList tabList = tabList(packet);
+        if (tabList == null) {
+            return;
+        }
+        var replacement = tabList.rewritePlayerInfo(packet.view());
+        if (replacement != packet.view()) {
+            packet.replace(replacement);
+        }
+    }
+
+    private void observePlayerInfoRemove(PacketController<ClientboundPlayerInfoRemovePacketView> packet) {
+        FandTabList tabList = tabList(packet);
+        if (tabList != null) {
+            tabList.observePlayerInfoRemove(packet.view());
+        }
+    }
+
+    private void rewriteHeaderFooter(PacketController<ClientboundTabListPacketView> packet) {
+        FandTabList tabList = tabList(packet);
+        if (tabList == null) {
+            return;
+        }
+        var replacement = tabList.rewriteHeaderFooter(packet.view());
+        if (replacement != packet.view()) {
+            packet.replace(replacement);
+        }
+    }
+
+    private void observeDisplayObjective(PacketController<ClientboundSetDisplayObjectivePacketView> packet) {
+        FandScoreboard scoreboard = scoreboard(packet);
+        if (scoreboard != null) {
+            scoreboard.observeDisplayObjective(packet.view());
+        }
+    }
+
+    private void observeObjective(PacketController<ClientboundSetObjectivePacketView> packet) {
+        FandScoreboard scoreboard = scoreboard(packet);
+        if (scoreboard != null) {
+            scoreboard.observeObjective(packet.view());
+        }
+    }
+
+    private void rewriteTeam(PacketController<ClientboundSetPlayerTeamPacketView> packet) {
+        FandScoreboard scoreboard = scoreboard(packet);
+        if (scoreboard == null) {
+            return;
+        }
+        var replacement = scoreboard.rewriteTeam(packet.view());
+        if (replacement != packet.view()) {
+            packet.replace(replacement);
+        }
+    }
+
+    @Nullable
+    private static FandTabList tabList(PacketController<?> packet) {
+        FandTabPlayer player = player(packet);
+        return player != null && player.getTabList() instanceof FandTabList tabList ? tabList : null;
+    }
+
+    @Nullable
+    private static FandScoreboard scoreboard(PacketController<?> packet) {
+        FandTabPlayer player = player(packet);
+        return player != null && player.getScoreboard() instanceof FandScoreboard scoreboard ? scoreboard : null;
+    }
+
+    @Nullable
+    private static FandTabPlayer player(PacketController<?> packet) {
+        var viewer = packet.context().player().orElse(null);
+        if (viewer == null || TAB.getInstance() == null || TAB.getInstance().isPluginDisabled()) {
+            return null;
+        }
+        var tabPlayer = TAB.getInstance().getPlayer(viewer.uniqueId());
+        return tabPlayer instanceof FandTabPlayer fandPlayer ? fandPlayer : null;
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandPerWorldPlayerList.java

@@ -0,0 +1,175 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.Fand;
+import io.fand.api.entity.Player;
+import io.fand.api.plugin.PluginContext;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.TabConstants;
+import me.neznamy.tab.shared.data.World;
+import me.neznamy.tab.shared.features.PerWorldPlayerListConfiguration;
+import me.neznamy.tab.shared.features.types.JoinListener;
+import me.neznamy.tab.shared.features.types.Loadable;
+import me.neznamy.tab.shared.features.types.QuitListener;
+import me.neznamy.tab.shared.features.types.TabFeature;
+import me.neznamy.tab.shared.features.types.UnLoadable;
+import me.neznamy.tab.shared.features.types.VanishListener;
+import me.neznamy.tab.shared.features.types.WorldSwitchListener;
+import me.neznamy.tab.shared.platform.TabPlayer;
+import org.jetbrains.annotations.NotNull;
+
+/** Per-world player-list visibility backed by Fand's scoped tab-list service. */
+public final class FandPerWorldPlayerList extends TabFeature implements
+        JoinListener, QuitListener, Loadable, UnLoadable, VanishListener, WorldSwitchListener {
+
+    private final PluginContext context;
+    private final PerWorldPlayerListConfiguration configuration;
+    private final Set<VisibilityPair> hiddenPairs = ConcurrentHashMap.newKeySet();
+
+    public FandPerWorldPlayerList(
+            @NotNull PluginContext context,
+            @NotNull PerWorldPlayerListConfiguration configuration
+    ) {
+        this.context = context;
+        this.configuration = configuration;
+    }
+
+    @Override
+    public void load() {
+        for (Player player : Fand.server().players()) {
+            checkPlayer(player);
+        }
+    }
+
+    @Override
+    public void unload() {
+        for (VisibilityPair pair : List.copyOf(hiddenPairs)) {
+            show(pair);
+        }
+        hiddenPairs.clear();
+    }
+
+    @Override
+    public void onJoin(@NotNull TabPlayer connectedPlayer) {
+        checkPlayer(((FandTabPlayer) connectedPlayer).getPlayer());
+    }
+
+    @Override
+    public void onQuit(@NotNull TabPlayer disconnectedPlayer) {
+        UUID playerId = disconnectedPlayer.getUniqueId();
+        Player disconnected = ((FandTabPlayer) disconnectedPlayer).getPlayer();
+        for (VisibilityPair pair : List.copyOf(hiddenPairs)) {
+            if (pair.viewerId().equals(playerId) || pair.targetId().equals(playerId)) {
+                release(pair, disconnected);
+            }
+        }
+    }
+
+    @Override
+    public void onWorldChange(@NotNull TabPlayer changed, @NotNull World from, @NotNull World to) {
+        checkPlayer(((FandTabPlayer) changed).getPlayer());
+    }
+
+    @Override
+    public void onVanishStatusChange(@NotNull TabPlayer player) {
+        checkPlayer(((FandTabPlayer) player).getPlayer());
+    }
+
+    @Override
+    @NotNull
+    public String getFeatureName() {
+        return "Per world PlayerList";
+    }
+
+    private void checkPlayer(Player changed) {
+        for (Player other : Fand.server().players()) {
+            if (other.uniqueId().equals(changed.uniqueId())) {
+                continue;
+            }
+            updateVisibility(changed, other);
+            updateVisibility(other, changed);
+        }
+    }
+
+    private void updateVisibility(Player viewer, Player target) {
+        var pair = new VisibilityPair(viewer.uniqueId(), target.uniqueId());
+        if (shouldSee(viewer, target)) {
+            show(pair);
+        } else if (hiddenPairs.add(pair)) {
+            context.tabLists().setVisible(viewer, target, false);
+        }
+    }
+
+    private void show(VisibilityPair pair) {
+        if (!hiddenPairs.remove(pair)) {
+            return;
+        }
+        var viewer = Fand.server().player(pair.viewerId()).orElse(null);
+        var target = Fand.server().player(pair.targetId()).orElse(null);
+        if (viewer != null && target != null) {
+            context.tabLists().setVisible(viewer, target, true);
+        }
+    }
+
+    private void release(VisibilityPair pair, Player disconnected) {
+        if (!hiddenPairs.remove(pair)) {
+            return;
+        }
+        var viewer = player(pair.viewerId(), disconnected);
+        var target = player(pair.targetId(), disconnected);
+        if (viewer != null && target != null) {
+            context.tabLists().setVisible(viewer, target, true);
+        }
+    }
+
+    private static Player player(UUID playerId, Player disconnected) {
+        if (playerId.equals(disconnected.uniqueId())) {
+            return disconnected;
+        }
+        TabPlayer tabPlayer = TAB.getInstance().getPlayer(playerId);
+        if (tabPlayer instanceof FandTabPlayer fandPlayer) {
+            return fandPlayer.getPlayer();
+        }
+        return Fand.server().player(playerId).orElse(null);
+    }
+
+    private boolean shouldSee(Player viewer, Player target) {
+        TabPlayer tabViewer = TAB.getInstance().getPlayer(viewer.uniqueId());
+        TabPlayer tabTarget = TAB.getInstance().getPlayer(target.uniqueId());
+        if (tabViewer != null && tabTarget != null && !tabViewer.canSee(tabTarget)) {
+            return false;
+        }
+        if (configuration.isAllowBypassPermission()
+                && viewer.can(TabConstants.Permission.PER_WORLD_PLAYERLIST_BYPASS)) {
+            return true;
+        }
+        String viewerWorld = viewer.world().name();
+        if (configuration.getIgnoredWorlds().contains(viewerWorld)) {
+            return true;
+        }
+        return computeWorldGroup(viewerWorld).equals(computeWorldGroup(target.world().name()));
+    }
+
+    @NotNull
+    private String computeWorldGroup(@NotNull String worldName) {
+        for (Map.Entry<String, List<String>> group : configuration.getSharedWorlds().entrySet()) {
+            List<String> worlds = group.getValue();
+            if (worlds == null) {
+                continue;
+            }
+            for (String world : worlds) {
+                if (TAB.getInstance().getDataManager().matchesPattern(worldName, world)) {
+                    return group.getKey();
+                }
+            }
+        }
+        return worldName + "-default";
+    }
+
+    private record VisibilityPair(UUID viewerId, UUID targetId) {
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandPlatform.java

@@ -0,0 +1,311 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.Fand;
+import io.fand.api.command.CommandRegistration;
+import io.fand.api.entity.Player;
+import io.fand.api.placeholder.PlaceholderContext;
+import io.fand.api.plugin.PluginContext;
+import io.fand.api.visibility.DisguiseService;
+import io.fand.api.visibility.VanishService;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.regex.Pattern;
+import me.neznamy.tab.shared.GroupManager;
+import me.neznamy.tab.shared.ProjectVariables;
+import me.neznamy.tab.shared.ProtocolVersion;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.TabConstants;
+import me.neznamy.tab.shared.backend.BackendPlatform;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.PerWorldPlayerListConfiguration;
+import me.neznamy.tab.shared.features.PlaceholderManagerImpl;
+import me.neznamy.tab.shared.features.injection.PipelineInjector;
+import me.neznamy.tab.shared.features.types.TabFeature;
+import me.neznamy.tab.shared.placeholders.expansion.TabExpansion;
+import me.neznamy.tab.shared.platform.BossBar;
+import me.neznamy.tab.shared.platform.Scoreboard;
+import me.neznamy.tab.shared.platform.TabList;
+import me.neznamy.tab.shared.platform.TabPlayer;
+import me.neznamy.tab.shared.platform.impl.AdventureBossBar;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/** Platform implementation backed exclusively by Fand's stable plugin API. */
+public final class FandPlatform implements BackendPlatform {
+
+    private static final Pattern LEGACY_FORMATTING = Pattern.compile("(?i)§(?:#[0-9a-f]{6}|[0-9a-fk-orx])");
+
+    private final PluginContext context;
+    private final List<CommandRegistration> customCommands = new ArrayList<>();
+    private final int protocolVersion;
+
+    public FandPlatform(@NotNull PluginContext context) {
+        this.context = context;
+        ProtocolVersion version = ProtocolVersion.fromFriendlyName(Fand.server().minecraftVersion());
+        protocolVersion = version == ProtocolVersion.UNKNOWN
+                ? ProtocolVersion.V26_2.getNetworkId()
+                : version.getNetworkId();
+    }
+
+    PluginContext context() {
+        return context;
+    }
+
+    int protocolVersion() {
+        return protocolVersion;
+    }
+
+    @Nullable
+    VanishService vanishService() {
+        return context.services().service(VanishService.class).orElse(null);
+    }
+
+    @Nullable
+    DisguiseService disguiseService() {
+        return context.services().service(DisguiseService.class).orElse(null);
+    }
+
+    @Override
+    public void registerUnknownPlaceholder(@NotNull String identifier) {
+        if (identifier.startsWith("%rel_")) {
+            String fandIdentifier = identifier.substring("%rel_".length(), identifier.length() - 1);
+            if (isFandPlaceholderIdentifier(fandIdentifier)) {
+                registerRelationalPlaceholder(identifier);
+            } else {
+                registerDummyPlaceholder(identifier);
+            }
+            return;
+        }
+        String fandIdentifier = identifier;
+        if (identifier.length() > 2 && identifier.startsWith("%") && identifier.endsWith("%")) {
+            fandIdentifier = identifier.substring(1, identifier.length() - 1);
+        }
+        String resolvedIdentifier = fandIdentifier;
+        PlaceholderManagerImpl manager = TAB.getInstance().getPlaceholderManager();
+        if (!isFandPlaceholderIdentifier(resolvedIdentifier)) {
+            registerDummyPlaceholder(identifier);
+            return;
+        }
+        if (identifier.startsWith("%server_")) {
+            manager.registerServerPlaceholder(identifier, () -> context.placeholders()
+                    .resolve(null, resolvedIdentifier)
+                    .orElse(identifier));
+            return;
+        }
+        manager.registerPlayerPlaceholder(identifier, player -> context.placeholders()
+                .resolve(((FandTabPlayer) player).getPlayer(), resolvedIdentifier)
+                .orElse(identifier));
+    }
+
+    static boolean isFandPlaceholderIdentifier(@NotNull String identifier) {
+        String normalized = identifier.trim();
+        if (normalized.isEmpty()) {
+            return false;
+        }
+        for (int index = 0; index < normalized.length(); index++) {
+            char value = normalized.charAt(index);
+            if (!(value >= 'a' && value <= 'z')
+                    && !(value >= 'A' && value <= 'Z')
+                    && !(value >= '0' && value <= '9')
+                    && value != '_'
+                    && value != '-'
+                    && value != '.') {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public void registerPlaceholders() {
+        BackendPlatform.super.registerPlaceholders();
+        PlaceholderManagerImpl manager = TAB.getInstance().getPlaceholderManager();
+        manager.registerPlayerPlaceholder("%fand_prefix%", player -> context.permissions()
+                .prefix(((FandTabPlayer) player).getPlayer())
+                .orElse(""));
+        manager.registerPlayerPlaceholder("%fand_suffix%", player -> context.permissions()
+                .suffix(((FandTabPlayer) player).getPlayer())
+                .orElse(""));
+    }
+
+    private void registerRelationalPlaceholder(@NotNull String identifier) {
+        String fandIdentifier = identifier.substring("%rel_".length(), identifier.length() - 1);
+        TAB.getInstance().getPlaceholderManager().registerRelationalPlaceholder(identifier, (viewer, target) ->
+                context.placeholders().resolve(
+                                fandIdentifier,
+                                PlaceholderContext.builder()
+                                        .viewer(((FandTabPlayer) viewer).getPlayer())
+                                        .target(((FandTabPlayer) target).getPlayer())
+                                        .build())
+                        .orElse(identifier));
+    }
+
+    @Override
+    @NotNull
+    public TabExpansion createTabExpansion() {
+        return new FandTabExpansion(context);
+    }
+
+    @Override
+    public void loadPlayers() {
+        for (Player player : Fand.server().players()) {
+            TAB.getInstance().addPlayer(new FandTabPlayer(this, player));
+        }
+    }
+
+    @Override
+    @Nullable
+    public PipelineInjector createPipelineInjector() {
+        return null;
+    }
+
+    @Override
+    public TabFeature getPerWorldPlayerList(@NotNull PerWorldPlayerListConfiguration configuration) {
+        return new FandPerWorldPlayerList(context, configuration);
+    }
+
+    @Override
+    public void logInfo(@NotNull TabComponent message) {
+        context.logger().info("[TAB] {}", plainText(message));
+    }
+
+    @Override
+    public void logWarn(@NotNull TabComponent message) {
+        context.logger().warn("[TAB] {}", plainText(message));
+    }
+
+    @Override
+    public void registerListener() {
+        new FandEventListener(context).register();
+        new FandPacketListener(context).register();
+    }
+
+    @Override
+    public void registerCommand() {
+        new FandTabCommand(getCommand()).register(context.commands());
+    }
+
+    @Override
+    public void startMetrics() {
+        // Fand does not currently provide a metrics integration.
+    }
+
+    @Override
+    @NotNull
+    public File getDataFolder() {
+        return context.dataDirectory().toFile();
+    }
+
+    @Override
+    @NotNull
+    public Object convertComponent(@NotNull TabComponent component) {
+        return component.toAdventure();
+    }
+
+    @Override
+    @NotNull
+    public Scoreboard createScoreboard(@NotNull TabPlayer player) {
+        return new FandScoreboard((FandTabPlayer) player);
+    }
+
+    @Override
+    @NotNull
+    public BossBar createBossBar(@NotNull TabPlayer player) {
+        return new AdventureBossBar(player);
+    }
+
+    @Override
+    @NotNull
+    public TabList createTabList(@NotNull TabPlayer player) {
+        return new FandTabList((FandTabPlayer) player, context);
+    }
+
+    @Override
+    public boolean supportsScoreboards() {
+        return true;
+    }
+
+    @Override
+    public void registerCustomCommand(@NotNull String commandName,
+                                      @NotNull BiConsumer<TabPlayer, String[]> function) {
+        CommandRegistration registration = new FandCommand(commandName) {
+            @Override
+            protected void execute(@NotNull io.fand.api.command.CommandContext command,
+                                   @NotNull String[] arguments) {
+                if (!(command.sender() instanceof Player player)) {
+                    command.sender().sendMessage(TabComponent.fromColoredText(TAB.getInstance()
+                            .getConfiguration().getMessages().getCommandOnlyFromGame()).toAdventure());
+                    return;
+                }
+                TabPlayer tabPlayer = TAB.getInstance().getPlayer(player.uniqueId());
+                if (tabPlayer != null) {
+                    function.accept(tabPlayer, arguments);
+                }
+            }
+        }.register(context.commands());
+        synchronized (customCommands) {
+            customCommands.add(registration);
+        }
+    }
+
+    @Override
+    public void unregisterAllCustomCommands() {
+        synchronized (customCommands) {
+            customCommands.forEach(CommandRegistration::unregister);
+            customCommands.clear();
+        }
+    }
+
+    @Override
+    @NotNull
+    public GroupManager detectPermissionPlugin() {
+        return new GroupManager("Fand", player -> context.permissions()
+                .primaryGroup(((FandTabPlayer) player).getPlayer())
+                .orElse(TabConstants.NO_GROUP));
+    }
+
+    @Override
+    public double getTPS() {
+        return Math.min(20.0, Fand.server().performance().oneSecond().ticksPerSecond().average());
+    }
+
+    @Override
+    public double getMSPT() {
+        return Fand.server().performance().currentMillisecondsPerTick();
+    }
+
+    @Override
+    public void runSyncGlobal(@NotNull Runnable task) {
+        context.scheduler().runMain(task);
+    }
+
+    @Override
+    public boolean hasLineOfSight(@NotNull TabPlayer viewer, @NotNull TabPlayer target) {
+        return ((FandTabPlayer) viewer).getPlayer().lineOfSight(((FandTabPlayer) target).getPlayer());
+    }
+
+    @Override
+    @NotNull
+    public Object dump() {
+        Map<String, Object> data = new LinkedHashMap<>();
+        data.put("server-type", Fand.server().brand());
+        data.put("server-version", Fand.server().version());
+        data.put("minecraft-version", Fand.server().minecraftVersion());
+        data.put("tab-version", ProjectVariables.PLUGIN_VERSION);
+        List<String> plugins = Fand.server().plugins().loaded().stream()
+                .map(plugin -> plugin.getClass().getName())
+                .sorted(Comparator.naturalOrder())
+                .toList();
+        data.put("plugins", plugins);
+        return data;
+    }
+
+    private static String plainText(TabComponent message) {
+        return LEGACY_FORMATTING.matcher(message.toLegacyText()).replaceAll("");
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandScoreboard.java

@@ -0,0 +1,213 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.packet.view.ClientboundSetDisplayObjectivePacketView;
+import io.fand.api.packet.view.ClientboundSetObjectivePacketView;
+import io.fand.api.packet.view.ClientboundSetPlayerTeamPacketView;
+import io.fand.api.scoreboard.PlayerScoreboard;
+import io.fand.api.scoreboard.ScoreDisplaySlot;
+import io.fand.api.scoreboard.ScoreNumberFormat;
+import io.fand.api.scoreboard.ScoreRenderType;
+import io.fand.api.scoreboard.ScoreboardObjective;
+import io.fand.api.scoreboard.ScoreboardTeam;
+import io.fand.api.scoreboard.TeamCollisionRule;
+import io.fand.api.scoreboard.TeamVisibility;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.EnumChatFormat;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.platform.decorators.SafeScoreboard;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.jetbrains.annotations.NotNull;
+
+/** Per-viewer scoreboard implementation using Fand's public scoreboard API. */
+public final class FandScoreboard extends SafeScoreboard<FandTabPlayer> {
+
+    private static final NamedTextColor[] COLORS = {
+            NamedTextColor.BLACK,
+            NamedTextColor.DARK_BLUE,
+            NamedTextColor.DARK_GREEN,
+            NamedTextColor.DARK_AQUA,
+            NamedTextColor.DARK_RED,
+            NamedTextColor.DARK_PURPLE,
+            NamedTextColor.GOLD,
+            NamedTextColor.GRAY,
+            NamedTextColor.DARK_GRAY,
+            NamedTextColor.BLUE,
+            NamedTextColor.GREEN,
+            NamedTextColor.AQUA,
+            NamedTextColor.RED,
+            NamedTextColor.LIGHT_PURPLE,
+            NamedTextColor.YELLOW,
+            NamedTextColor.WHITE
+    };
+
+    private final PlayerScoreboard scoreboard;
+
+    public FandScoreboard(@NotNull FandTabPlayer player) {
+        super(player);
+        scoreboard = player.getPlayer().scoreboard();
+    }
+
+    @Override
+    public void registerObjective(@NotNull Objective objective) {
+        scoreboard.registerObjective(
+                objective.getName(),
+                objective.getTitle().toAdventure(),
+                ScoreRenderType.valueOf(objective.getHealthDisplay().name()));
+        ScoreboardObjective registered = objective(objective.getName());
+        registered.setNumberFormat(numberFormat(objective.getNumberFormat()));
+        objective.setPlatformObjective(registered);
+    }
+
+    @Override
+    public void setDisplaySlot(@NotNull Objective objective) {
+        scoreboard.setDisplayedObjective(displaySlot(objective.getDisplaySlot()), objective(objective));
+    }
+
+    @Override
+    public void unregisterObjective(@NotNull Objective objective) {
+        scoreboard.removeObjective(objective.getName());
+    }
+
+    @Override
+    public void updateObjective(@NotNull Objective objective) {
+        ScoreboardObjective target = objective(objective);
+        target.setDisplayName(objective.getTitle().toAdventure());
+        target.setRenderType(ScoreRenderType.valueOf(objective.getHealthDisplay().name()));
+        target.setNumberFormat(numberFormat(objective.getNumberFormat()));
+    }
+
+    @Override
+    public void setScore(@NotNull Score score) {
+        var target = objective(score.getObjective()).score(score.getHolder());
+        target.setValue(score.getValue());
+        target.setDisplayName(score.getDisplayName() == null ? null : score.getDisplayName().toAdventure());
+        target.setNumberFormat(numberFormat(score.getNumberFormat()));
+    }
+
+    @Override
+    public void removeScore(@NotNull Score score) {
+        objective(score.getObjective()).resetScore(score.getHolder());
+    }
+
+    @Override
+    @NotNull
+    public Object createTeam(@NotNull String name) {
+        return name;
+    }
+
+    @Override
+    public void registerTeam(@NotNull Team team) {
+        scoreboard.registerTeam(team.getName());
+        ScoreboardTeam registered = team(team.getName());
+        team.setPlatformTeam(registered);
+        applyTeamProperties(team, registered);
+        team.getPlayers().forEach(registered::addMember);
+    }
+
+    @Override
+    public void unregisterTeam(@NotNull Team team) {
+        scoreboard.removeTeam(team.getName());
+    }
+
+    @Override
+    public void updateTeam(@NotNull Team team) {
+        applyTeamProperties(team, team(team));
+    }
+
+    private void applyTeamProperties(Team source, ScoreboardTeam target) {
+        target.setPrefix(source.getPrefix().toAdventure());
+        target.setSuffix(source.getSuffix().toAdventure());
+        target.setAllowFriendlyFire((source.getOptions() & 0x01) != 0);
+        target.setSeeFriendlyInvisibles((source.getOptions() & 0x02) != 0);
+        target.setNameTagVisibility(TeamVisibility.valueOf(source.getVisibility().name()));
+        target.setCollisionRule(TeamCollisionRule.valueOf(source.getCollision().name()));
+        target.setColor(color(source.getColor()));
+    }
+
+    private ScoreboardObjective objective(Objective objective) {
+        Object platformObjective = objective.getPlatformObjective();
+        if (platformObjective instanceof ScoreboardObjective value) {
+            return value;
+        }
+        ScoreboardObjective value = objective(objective.getName());
+        objective.setPlatformObjective(value);
+        return value;
+    }
+
+    private ScoreboardObjective objective(String name) {
+        return scoreboard.objective(name)
+                .orElseThrow(() -> new IllegalStateException("Missing Fand scoreboard objective: " + name));
+    }
+
+    private ScoreboardTeam team(Team team) {
+        Object platformTeam = team.getPlatformTeam();
+        if (platformTeam instanceof ScoreboardTeam value) {
+            return value;
+        }
+        ScoreboardTeam value = team(team.getName());
+        team.setPlatformTeam(value);
+        return value;
+    }
+
+    private ScoreboardTeam team(String name) {
+        return scoreboard.team(name)
+                .orElseThrow(() -> new IllegalStateException("Missing Fand scoreboard team: " + name));
+    }
+
+    private static ScoreDisplaySlot displaySlot(DisplaySlot slot) {
+        return slot == DisplaySlot.PLAYER_LIST ? ScoreDisplaySlot.LIST : ScoreDisplaySlot.valueOf(slot.name());
+    }
+
+    private static ScoreNumberFormat numberFormat(TabComponent component) {
+        return component == null ? ScoreNumberFormat.DEFAULT : ScoreNumberFormat.fixed(component.toAdventure());
+    }
+
+    private static NamedTextColor color(EnumChatFormat color) {
+        return color.isColor() ? COLORS[color.ordinal()] : null;
+    }
+
+    void observeDisplayObjective(@NotNull ClientboundSetDisplayObjectivePacketView packet) {
+        String objectiveName = packet.objectiveName();
+        ScoreDisplaySlot slot = packet.value("slot", ScoreDisplaySlot.class);
+        notifyDisplayObjective(slot, objectiveName);
+    }
+
+    private void notifyDisplayObjective(ScoreDisplaySlot slot, String objectiveName) {
+        TAB tab = TAB.getInstance();
+        if (tab == null || tab.isPluginDisabled() || tab.getPlayer(player.getUniqueId()) != player) {
+            return;
+        }
+        tab.getFeatureManager().onDisplayObjective(player, slot.ordinal(), objectiveName);
+    }
+
+    void observeObjective(@NotNull ClientboundSetObjectivePacketView packet) {
+        TAB.getInstance().getFeatureManager().onObjective(player, packet.method(), packet.objectiveName());
+    }
+
+    @NotNull
+    ClientboundSetPlayerTeamPacketView rewriteTeam(@NotNull ClientboundSetPlayerTeamPacketView packet) {
+        if (packet.method() == TeamAction.UPDATE) {
+            return packet;
+        }
+        Collection<?> rawPlayers = packet.value("players", Collection.class);
+        List<String> players = new ArrayList<>(rawPlayers.size());
+        for (Object entry : rawPlayers) {
+            if (!(entry instanceof String playerName)) {
+                return packet;
+            }
+            players.add(playerName);
+        }
+        Collection<String> replacement = onTeamPacket(packet.method(), packet.name(), players);
+        if (players.equals(replacement)) {
+            return packet;
+        }
+        return packet.with(
+                "players",
+                List.copyOf(replacement),
+                ClientboundSetPlayerTeamPacketView.class);
+    }
+
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandTAB.java

@@ -0,0 +1,21 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.plugin.Plugin;
+import io.fand.api.plugin.PluginContext;
+import me.neznamy.tab.shared.TAB;
+
+/** Fand plugin entry point. */
+public final class FandTAB implements Plugin {
+
+    @Override
+    public void onEnable(PluginContext context) {
+        TAB.create(new FandPlatform(context));
+    }
+
+    @Override
+    public void onDisable(PluginContext context) {
+        if (TAB.getInstance() != null) {
+            TAB.getInstance().unload();
+        }
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandTabCommand.java

@@ -0,0 +1,53 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.command.CommandContext;
+import io.fand.api.entity.Player;
+import java.util.Collections;
+import java.util.List;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.TabConstants;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.platform.TabPlayer;
+import org.jetbrains.annotations.NotNull;
+
+/** Handler for TAB's main command on Fand. */
+public final class FandTabCommand extends FandCommand {
+
+    public FandTabCommand(@NotNull String commandName) {
+        super(commandName);
+    }
+
+    @Override
+    protected void execute(@NotNull CommandContext context, @NotNull String[] arguments) {
+        if (TAB.getInstance().isPluginDisabled()) {
+            boolean reload = context.sender().can(TabConstants.Permission.COMMAND_RELOAD);
+            boolean admin = context.sender().can(TabConstants.Permission.COMMAND_ALL);
+            for (TabComponent message : TAB.getInstance().getDisabledCommand().execute(arguments, reload, admin)) {
+                context.sender().sendMessage(message.toAdventure());
+            }
+            return;
+        }
+
+        if (context.sender() instanceof Player player) {
+            TabPlayer tabPlayer = TAB.getInstance().getPlayer(player.uniqueId());
+            if (tabPlayer != null) {
+                TAB.getInstance().getCommand().execute(tabPlayer, arguments);
+            }
+        } else {
+            TAB.getInstance().getCommand().execute(null, arguments);
+        }
+    }
+
+    @Override
+    @NotNull
+    protected List<String> complete(@NotNull CommandContext context, @NotNull String[] arguments) {
+        TabPlayer tabPlayer = null;
+        if (context.sender() instanceof Player player) {
+            tabPlayer = TAB.getInstance().getPlayer(player.uniqueId());
+            if (tabPlayer == null) {
+                return Collections.emptyList();
+            }
+        }
+        return TAB.getInstance().getCommand().complete(tabPlayer, arguments);
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandTabExpansion.java

@@ -0,0 +1,131 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.entity.Player;
+import io.fand.api.placeholder.PlaceholderContext;
+import io.fand.api.placeholder.PlaceholderProvider;
+import io.fand.api.placeholder.PlaceholderRegistration;
+import io.fand.api.plugin.PluginContext;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.function.UnaryOperator;
+import me.neznamy.tab.api.placeholder.Placeholder;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.features.PlaceholderManagerImpl;
+import me.neznamy.tab.shared.placeholders.expansion.TabExpansion;
+import me.neznamy.tab.shared.placeholders.types.RelationalPlaceholderImpl;
+import me.neznamy.tab.shared.platform.TabPlayer;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/** Exposes TAB's placeholder expansion through Fand's placeholder service. */
+public final class FandTabExpansion implements TabExpansion {
+
+    private static final String NAMESPACE_PREFIX = "tab_";
+    private static final int MAX_REPLACEMENT_PASSES = 32;
+
+    private final PluginContext context;
+    private final PlaceholderRegistration registration;
+
+    public FandTabExpansion(@NotNull PluginContext context) {
+        this.context = context;
+        registration = context.placeholders().register(
+                "tab",
+                PlaceholderProvider.contextual(this::resolve));
+    }
+
+    @Override
+    public void unregisterExpansion() {
+        registration.unregister();
+    }
+
+    @Nullable
+    private String resolve(@NotNull PlaceholderContext placeholderContext, @NotNull String identifier) {
+        if (!identifier.startsWith(NAMESPACE_PREFIX)) {
+            return null;
+        }
+        String expansionIdentifier = identifier.substring(NAMESPACE_PREFIX.length());
+        if (expansionIdentifier.startsWith("replace_")) {
+            return resolveReplacement(placeholderContext, expansionIdentifier.substring("replace_".length()));
+        }
+
+        Player viewer = placeholderContext.viewer();
+        Player target = placeholderContext.target();
+        if (target != null) {
+            return resolveRelational(viewer, target, expansionIdentifier);
+        }
+        if (viewer == null) {
+            return "<Player cannot be null>";
+        }
+        TabPlayer player = TAB.getInstance().getPlayer(viewer.uniqueId());
+        if (player == null) {
+            return "<Player is not loaded>";
+        }
+        if (expansionIdentifier.startsWith("placeholder_")) {
+            String requestedPlaceholder = "%" + expansionIdentifier.substring("placeholder_".length()) + "%";
+            PlaceholderManagerImpl manager = TAB.getInstance().getPlaceholderManager();
+            manager.addUsedPlaceholder(requestedPlaceholder, manager);
+            return manager.getPlaceholder(requestedPlaceholder).parse(player);
+        }
+        return player.expansionData.getValue(expansionIdentifier);
+    }
+
+    @NotNull
+    private String resolveRelational(
+            @Nullable Player viewer,
+            @NotNull Player target,
+            @NotNull String expansionIdentifier
+    ) {
+        if (viewer == null) {
+            return "<Player cannot be null>";
+        }
+        if (!expansionIdentifier.startsWith("placeholder_")) {
+            return "<Unknown identifier: \"" + expansionIdentifier + "\">";
+        }
+
+        String requestedPlaceholder = "%" + expansionIdentifier.substring("placeholder_".length()) + "%";
+        PlaceholderManagerImpl manager = TAB.getInstance().getPlaceholderManager();
+        manager.addUsedPlaceholder(requestedPlaceholder, manager);
+        Placeholder placeholder = manager.getPlaceholder(requestedPlaceholder);
+        if (!(placeholder instanceof RelationalPlaceholderImpl relational)) {
+            return "<Not a relational placeholder: " + requestedPlaceholder + ">";
+        }
+
+        TabPlayer tabViewer = TAB.getInstance().getPlayer(viewer.uniqueId());
+        TabPlayer tabTarget = TAB.getInstance().getPlayer(target.uniqueId());
+        if (tabViewer == null || tabTarget == null) {
+            return "<Player is not loaded>";
+        }
+        return relational.getLastValue(tabViewer, tabTarget);
+    }
+
+    @NotNull
+    private String resolveReplacement(
+            @NotNull PlaceholderContext placeholderContext,
+            @NotNull String requestedIdentifier
+    ) {
+        PlaceholderManagerImpl manager = TAB.getInstance().getPlaceholderManager();
+        return expandReplacement("%" + requestedIdentifier + "%", text -> {
+            String expanded = text;
+            for (String placeholder : PlaceholderManagerImpl.detectPlaceholders(text)) {
+                String identifier = placeholder.substring(1, placeholder.length() - 1);
+                String value = context.placeholders().resolve(identifier, placeholderContext).orElse(placeholder);
+                expanded = expanded.replace(placeholder, manager.findReplacement(placeholder, value));
+            }
+            return expanded;
+        });
+    }
+
+    @NotNull
+    static String expandReplacement(@NotNull String initial, @NotNull UnaryOperator<String> expansionPass) {
+        Set<String> seen = new HashSet<>();
+        String text = initial;
+        for (int pass = 0; pass < MAX_REPLACEMENT_PASSES && seen.add(text); pass++) {
+            String expanded = expansionPass.apply(text);
+            if (expanded.equals(text)) {
+                return text;
+            }
+            text = expanded;
+        }
+        return text;
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandTabList.java

@@ -0,0 +1,266 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.Fand;
+import io.fand.api.entity.GameMode;
+import io.fand.api.entity.Player;
+import io.fand.api.packet.PlayerInfoEntry;
+import io.fand.api.packet.view.ClientboundPlayerInfoRemovePacketView;
+import io.fand.api.packet.view.ClientboundPlayerInfoUpdatePacketView;
+import io.fand.api.packet.view.ClientboundTabListPacketView;
+import io.fand.api.player.PlayerProfile;
+import io.fand.api.player.PlayerSkin;
+import io.fand.api.plugin.PluginContext;
+import io.fand.api.tablist.TabListEntry;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
+import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
+import net.kyori.adventure.text.Component;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.function.UnaryOperator;
+
+/** Per-viewer tab list implementation using Fand's structured packet API. */
+public final class FandTabList extends TrackedTabList<FandTabPlayer> {
+
+    private final PluginContext context;
+    private final ConcurrentMap<UUID, TabListEntry> state = new ConcurrentHashMap<>();
+    private final Set<UUID> managedEntries = ConcurrentHashMap.newKeySet();
+    private final Set<UUID> observedEntries = ConcurrentHashMap.newKeySet();
+    private final Set<UUID> removedEntries = ConcurrentHashMap.newKeySet();
+
+    public FandTabList(@NotNull FandTabPlayer player, @NotNull PluginContext context) {
+        super(player);
+        this.context = context;
+    }
+
+    @Override
+    public void removeEntry(@NotNull UUID entry) {
+        state.remove(entry);
+        managedEntries.remove(entry);
+        observedEntries.remove(entry);
+        markRemoved(entry);
+        context.packets().sender().send(
+                player.getPlayer(),
+                context.packets().playerInfo().remove(List.of(entry)));
+    }
+
+    @Override
+    public void updateDisplayName0(@NotNull UUID entry, @Nullable TabComponent displayName) {
+        update(
+                entry,
+                value -> value.withDisplayName(displayName == null ? null : displayName.toAdventure()),
+                "UPDATE_DISPLAY_NAME");
+    }
+
+    @Override
+    public void updateLatency(@NotNull UUID entry, int latency) {
+        update(entry, value -> value.withLatency(latency), "UPDATE_LATENCY");
+    }
+
+    @Override
+    public void updateGameMode(@NotNull UUID entry, int gameMode) {
+        update(entry, value -> value.withGameMode(gameMode(gameMode)), "UPDATE_GAME_MODE");
+    }
+
+    @Override
+    public void updateListed(@NotNull UUID entry, boolean listed) {
+        update(entry, value -> value.withListed(listed), "UPDATE_LISTED");
+    }
+
+    @Override
+    public void updateListOrder(@NotNull UUID entry, int listOrder) {
+        update(entry, value -> value.withOrder(listOrder), "UPDATE_LIST_ORDER");
+    }
+
+    @Override
+    public void updateHat(@NotNull UUID entry, boolean showHat) {
+        update(entry, value -> value.withShowHat(showHat), "UPDATE_HAT");
+    }
+
+    @Override
+    public void addEntry0(@NotNull Entry entry) {
+        PlayerSkin skin = entry.getSkin() == null
+                ? null
+                : new PlayerSkin(entry.getSkin().getValue(), entry.getSkin().getSignature());
+        PlayerProfile profile = new PlayerProfile(entry.getUniqueId(), entry.getName(), skin);
+        TabListEntry fandEntry = TabListEntry.builder(profile)
+                .listed(entry.isListed())
+                .latency(entry.getLatency())
+                .gameMode(gameMode(entry.getGameMode()))
+                .displayName(entry.getDisplayName() == null ? null : entry.getDisplayName().toAdventure())
+                .order(entry.getListOrder())
+                .showHat(entry.isShowHat())
+                .build();
+        state.put(entry.getUniqueId(), fandEntry);
+        managedEntries.add(entry.getUniqueId());
+        observedEntries.add(entry.getUniqueId());
+        removedEntries.remove(entry.getUniqueId());
+        context.packets().sender().send(
+                player.getPlayer(),
+                context.packets().playerInfo().add(List.of(fandEntry)));
+    }
+
+    @Override
+    public void setPlayerListHeaderFooter0(@NotNull TabComponent header, @NotNull TabComponent footer) {
+        player.getPlayer().sendTabList(header.toAdventure(), footer.toAdventure());
+    }
+
+    @Override
+    @Nullable
+    public Skin getSkin() {
+        return player.getPlayer().skin()
+                .map(skin -> new Skin(skin.value(), skin.signatureOrNull()))
+                .orElse(null);
+    }
+
+    @Override
+    public boolean containsEntry(@NotNull UUID entry) {
+        return getEntries().contains(entry);
+    }
+
+    @Override
+    @NotNull
+    public Collection<UUID> getEntries() {
+        Set<UUID> entries = new LinkedHashSet<>();
+        Player viewer = player.getPlayer();
+        for (Player target : Fand.server().players()) {
+            UUID targetId = target.uniqueId();
+            if (!removedEntries.contains(targetId) && context.tabLists().visible(viewer, target)) {
+                entries.add(targetId);
+            }
+        }
+        entries.addAll(observedEntries);
+        entries.addAll(managedEntries);
+        entries.removeAll(removedEntries);
+        return List.copyOf(entries);
+    }
+
+    @Override
+    @NotNull
+    public Object onPacketSend(@NotNull Object packet) {
+        if (packet instanceof ClientboundPlayerInfoUpdatePacketView playerInfo) {
+            return rewritePlayerInfo(playerInfo);
+        }
+        return packet;
+    }
+
+    @NotNull
+    ClientboundPlayerInfoUpdatePacketView rewritePlayerInfo(
+            @NotNull ClientboundPlayerInfoUpdatePacketView packet
+    ) {
+        List<String> actions = packet.actions();
+        List<PlayerInfoEntry> entries = new ArrayList<>(packet.entries().size());
+        Integer forcedLatency = getForcedLatency();
+        boolean rewrite = false;
+        for (PlayerInfoEntry entry : packet.entries()) {
+            PlayerInfoEntry updated = entry;
+            UUID profileId = entry.profileId();
+            if (actions.contains("UPDATE_DISPLAY_NAME")) {
+                TabComponent forcedName = getForcedDisplayNames().get(profileId);
+                if (forcedName != null && !Objects.equals(forcedName.toAdventure(), updated.displayName())) {
+                    updated = updated.withDisplayName(forcedName.toAdventure());
+                }
+            }
+            if (actions.contains("UPDATE_GAME_MODE")
+                    && getBlockedSpectators().contains(profileId)
+                    && updated.gameMode() == GameMode.SPECTATOR) {
+                updated = updated.withGameMode(GameMode.SURVIVAL);
+            }
+            if (actions.contains("UPDATE_LATENCY") && forcedLatency != null
+                    && updated.latency() != forcedLatency) {
+                updated = updated.withLatency(forcedLatency);
+            }
+            if (actions.contains("UPDATE_LISTED") && allPlayersHidden &&
+                !LayoutManagerImpl.UUIDS_SET.contains(profileId) && updated.listed()) {
+                updated = updated.withListed(false);
+            }
+            if (actions.contains("ADD_PLAYER")) {
+                observedEntries.add(profileId);
+                removedEntries.remove(profileId);
+                if (entry.profile() != null) {
+                    TAB.getInstance().getFeatureManager().onEntryAdd(
+                            player, profileId, entry.profile().name());
+                }
+            }
+            rewrite |= updated != entry;
+            entries.add(updated);
+        }
+        return rewrite ? packet.withEntries(List.copyOf(entries)) : packet;
+    }
+
+    void observePlayerInfoRemove(@NotNull ClientboundPlayerInfoRemovePacketView packet) {
+        for (Object value : packet.profileIds()) {
+            if (value instanceof UUID profileId) {
+                state.remove(profileId);
+                managedEntries.remove(profileId);
+                observedEntries.remove(profileId);
+                markRemoved(profileId);
+            }
+        }
+    }
+
+    private void markRemoved(UUID profileId) {
+        updateRemovalState(removedEntries, profileId, Fand.server().player(profileId).isPresent());
+    }
+
+    static void updateRemovalState(Set<UUID> removedEntries, UUID profileId, boolean onlineRealPlayer) {
+        if (onlineRealPlayer) {
+            removedEntries.add(profileId);
+        } else {
+            removedEntries.remove(profileId);
+        }
+    }
+
+    @NotNull
+    ClientboundTabListPacketView rewriteHeaderFooter(@NotNull ClientboundTabListPacketView packet) {
+        if (header == null || footer == null) {
+            return packet;
+        }
+        Component expectedHeader = header.toAdventure();
+        Component expectedFooter = footer.toAdventure();
+        Component currentHeader = packet.value("header", Component.class);
+        Component currentFooter = packet.value("footer", Component.class);
+        if (Objects.equals(currentHeader, expectedHeader) && Objects.equals(currentFooter, expectedFooter)) {
+            return packet;
+        }
+        return packet.with("header", expectedHeader)
+                .with("footer", expectedFooter)
+                .as(ClientboundTabListPacketView.class);
+    }
+
+    private void update(UUID entryId, UnaryOperator<TabListEntry> operation, String action) {
+        TabListEntry updated = state.compute(entryId, (ignored, current) ->
+                operation.apply(current == null ? currentEntry(entryId) : current));
+        context.packets().sender().send(
+                player.getPlayer(),
+                context.packets().playerInfo().update(List.of(updated))
+                        .with("actions", List.of(action)));
+    }
+
+    private static TabListEntry currentEntry(UUID entryId) {
+        return Fand.server().player(entryId)
+                .map(FandTabList::realPlayerEntry)
+                .orElseGet(() -> TabListEntry.builder(entryId, entryId.toString().substring(0, 16)).build());
+    }
+
+    private static TabListEntry realPlayerEntry(Player player) {
+        return TabListEntry.builder(player.profile())
+                .listed(true)
+                .latency(player.ping())
+                .gameMode(player.gameMode())
+                .displayName(player.tabListDisplayName().orElse(null))
+                .order(player.tabListOrder())
+                .showHat(true)
+                .build();
+    }
+
+    private static GameMode gameMode(int gameMode) {
+        GameMode[] values = GameMode.values();
+        return gameMode >= 0 && gameMode < values.length ? values[gameMode] : GameMode.SURVIVAL;
+    }
+}

fand/src/main/java/me/neznamy/tab/platforms/fand/FandTabPlayer.java

@@ -0,0 +1,105 @@
+package me.neznamy.tab.platforms.fand;
+
+import io.fand.api.entity.AttributeKey;
+import io.fand.api.entity.GameMode;
+import io.fand.api.entity.Player;
+import io.fand.api.visibility.DisguiseService;
+import io.fand.api.visibility.VanishService;
+import me.neznamy.tab.shared.backend.BackendTabPlayer;
+import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.platform.TabPlayer;
+import net.kyori.adventure.key.Key;
+import org.jetbrains.annotations.NotNull;
+
+/** TAB player backed by Fand's public player API. */
+public final class FandTabPlayer extends BackendTabPlayer {
+
+    private static final Key INVISIBILITY = Key.key("minecraft", "invisibility");
+    private static final Key DEATHS = Key.key("minecraft", "deaths");
+
+    public FandTabPlayer(@NotNull FandPlatform platform, @NotNull Player player) {
+        super(platform, player, player.uniqueId(), player.name(), player.world().name(), platform.protocolVersion());
+    }
+
+    @Override
+    public boolean hasPermission(@NotNull String permission) {
+        return getPlayer().can(permission);
+    }
+
+    @Override
+    public int getPing() {
+        return getPlayer().ping();
+    }
+
+    @Override
+    public void sendMessage(@NotNull TabComponent message) {
+        getPlayer().sendMessage(message.toAdventure());
+    }
+
+    @Override
+    public boolean hasInvisibilityPotion() {
+        return getPlayer().effect(INVISIBILITY).isPresent();
+    }
+
+    @Override
+    public boolean isDisguised() {
+        DisguiseService service = getPlatform().disguiseService();
+        return service != null && service.disguised(getPlayer());
+    }
+
+    @Override
+    @NotNull
+    public Player getPlayer() {
+        return (Player) player;
+    }
+
+    @Override
+    public FandPlatform getPlatform() {
+        return (FandPlatform) platform;
+    }
+
+    @Override
+    public void setBelowNameDistance(double distance) {
+        getPlayer().attribute(AttributeKey.BELOW_NAME_DISTANCE).ifPresent(attr -> attr.setBaseValue(distance));
+    }
+
+    @Override
+    public boolean isVanished0() {
+        VanishService service = getPlatform().vanishService();
+        return service != null && service.vanished(getPlayer());
+    }
+
+    @Override
+    public boolean canSee(@NotNull TabPlayer target) {
+        if (target == this) {
+            return true;
+        }
+        VanishService service = getPlatform().vanishService();
+        if (service != null && target instanceof FandTabPlayer fandTarget) {
+            return service.canSee(getPlayer(), fandTarget.getPlayer());
+        }
+        return super.canSee(target);
+    }
+
+    @Override
+    public int getDeaths() {
+        return getPlayer().statistic(DEATHS);
+    }
+
+    @Override
+    public int getGamemode() {
+        GameMode gameMode = getPlayer().gameMode();
+        return gameMode.ordinal();
+    }
+
+    @Override
+    public double getHealth() {
+        return getPlayer().health();
+    }
+
+    @Override
+    @NotNull
+    public String getDisplayName() {
+        return getPlayer().name();
+    }
+}

fand/src/main/resources/fand-plugin.json

@@ -0,0 +1,52 @@
+{
+  "id": "@id@",
+  "version": "@version@",
+  "mainClass": "me.neznamy.tab.platforms.fand.FandTAB",
+  "description": "@description@",
+  "website": "@website@",
+  "license": "Apache-2.0",
+  "apiVersion": "0.1.1",
+  "authors": ["@author@"],
+  "depends": [],
+  "loadAfter": ["luckperms", "viaversion", "floodgate"],
+  "loadBefore": [],
+  "permissions": [
+    {
+      "node": "tab.admin",
+      "defaultAccess": "OPERATOR",
+      "children": {
+        "tab.tabcomplete": true,
+        "tab.reload": true,
+        "tab.cpu": true,
+        "tab.debug": true,
+        "tab.dump": true,
+        "tab.groupinfo": true,
+        "tab.grouplist": true,
+        "tab.parse": true,
+        "tab.setcollision": true,
+        "tab.remove": true,
+        "tab.change.*": true,
+        "tab.announce.bar": true,
+        "tab.bossbar.toggle": true,
+        "tab.bossbar.toggle.other": true,
+        "tab.send.bar": true,
+        "tab.mysql.download": true,
+        "tab.mysql.upload": true,
+        "tab.nametag.visibility": true,
+        "tab.nametag.visibility.other": true,
+        "tab.nametag.view": true,
+        "tab.nametag.view.other": true,
+        "tab.announce.scoreboard": true,
+        "tab.scoreboard.toggle": true,
+        "tab.scoreboard.toggle.other": true,
+        "tab.scoreboard.show": true,
+        "tab.scoreboard.show.other": true,
+        "tab.staff": true,
+        "tab.group.*": true,
+        "tab.bypass": true,
+        "tab.seevanished": true,
+        "tab.spectatorbypass": true
+      }
+    }
+  ]
+}

forge/build.gradle.kts

@@ -15,11 +15,12 @@ repositories {
     maven("https://repo.papermc.io/repository/maven-public/") // Adventure
 }
 
-val minecraftVersion = "26.1.2"
+val minecraftVersion = "26.2"
 
 // Forge API versions for each Minecraft version for easier backporting
 // Official website (for updating in the future): https://files.minecraftforge.net/net/minecraftforge/forge/
 val forgeApiVersions = mapOf(
+    "26.2" to "26.2-65.0.0",
     "26.1.2" to "26.1.2-64.0.4"
 )
 

forge/src/main/java/me/neznamy/tab/platforms/forge/ForgePlatform.java

@@ -262,6 +262,16 @@ public record ForgePlatform(MinecraftServer server) implements BackendPlatform {
         return (float) server.getAverageTickTimeNanos() / 1000000;
     }
 
+    @Override
+    public void runSyncGlobal(@NotNull Runnable task) {
+        server.execute(task);
+    }
+
+    @Override
+    public boolean hasLineOfSight(@NotNull TabPlayer viewer, @NotNull TabPlayer target) {
+        return ((ForgeTabPlayer) viewer).getPlayer().hasLineOfSight(((ForgeTabPlayer) target).getPlayer());
+    }
+
     @Override
     @NotNull
     public Object dump() {
@@ -271,7 +281,7 @@ public record ForgePlatform(MinecraftServer server) implements BackendPlatform {
         map.put("server-version", SharedConstants.getCurrentVersion().name());
         map.put("tab-version", ProjectVariables.PLUGIN_VERSION);
         Map<String, Object> mods = new LinkedHashMap<>();
-        IModInfo[] modArray = ModList.get().getMods().toArray(new IModInfo[0]);
+        IModInfo[] modArray = ModList.getMods().toArray(new IModInfo[0]);
         Arrays.sort(modArray, Comparator.comparing(IModInfo::getModId, String.CASE_INSENSITIVE_ORDER));
         for (IModInfo mod : modArray) {
             mods.put(mod.getModId(), mod.getVersion().toString());

forge/src/main/java/me/neznamy/tab/platforms/forge/ForgeScoreboard.java

@@ -5,17 +5,18 @@ import lombok.SneakyThrows;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.platform.decorators.SafeScoreboard;
 import me.neznamy.tab.shared.util.ReflectionUtils;
-import net.minecraft.ChatFormatting;
 import net.minecraft.network.chat.numbers.FixedFormat;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.*;
 import net.minecraft.world.scores.PlayerTeam;
 import net.minecraft.world.scores.Scoreboard;
+import net.minecraft.world.scores.TeamColor;
 import net.minecraft.world.scores.criteria.ObjectiveCriteria;
 import net.minecraft.world.scores.criteria.ObjectiveCriteria.RenderType;
 import org.jetbrains.annotations.NotNull;
 
 import java.lang.reflect.Field;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Optional;
 
@@ -24,7 +25,7 @@ import java.util.Optional;
  */
 public class ForgeScoreboard extends SafeScoreboard<ForgeTabPlayer> {
 
-    private static final ChatFormatting[] formats = ChatFormatting.values();
+    private static final Optional<TeamColor>[] colors = Arrays.stream(TeamColor.values()).map(Optional::of).toArray(Optional[]::new);
     private static final net.minecraft.world.scores.Team.CollisionRule[] collisions = net.minecraft.world.scores.Team.CollisionRule.values();
     private static final net.minecraft.world.scores.Team.Visibility[] visibilities = net.minecraft.world.scores.Team.Visibility.values();
     private static final Scoreboard dummyScoreboard = new Scoreboard();
@@ -118,7 +119,7 @@ public class ForgeScoreboard extends SafeScoreboard<ForgeTabPlayer> {
         PlayerTeam t = (PlayerTeam) team.getPlatformTeam();
         t.setAllowFriendlyFire((team.getOptions() & 0x01) != 0);
         t.setSeeFriendlyInvisibles((team.getOptions() & 0x02) != 0);
-        t.setColor(formats[team.getColor().ordinal()]);
+        t.setColor(colors[Math.min(team.getColor().ordinal(), colors.length - 1)]);
         t.setCollisionRule(collisions[team.getCollision().ordinal()]);
         t.setNameTagVisibility(visibilities[team.getVisibility().ordinal()]);
         t.setPlayerPrefix(team.getPrefix().convert());

forge/src/main/java/me/neznamy/tab/platforms/forge/ForgeTabList.java

@@ -8,6 +8,7 @@ import lombok.NonNull;
 import lombok.SneakyThrows;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import me.neznamy.tab.shared.util.ReflectionUtils;
 import net.minecraft.network.chat.Component;
@@ -142,7 +143,7 @@ public class ForgeTabList extends TrackedTabList<ForgeTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

forge/src/main/java/me/neznamy/tab/platforms/forge/ForgeTabPlayer.java

@@ -7,6 +7,7 @@ import me.neznamy.tab.shared.chat.component.TabComponent;
 import net.minecraft.SharedConstants;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.stats.Stats;
+import net.minecraft.world.entity.ai.attributes.Attributes;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -63,6 +64,11 @@ public class ForgeTabPlayer extends BackendTabPlayer {
         return (ForgePlatform) platform;
     }
 
+    @Override
+    public void setBelowNameDistance(double distance) {
+        getPlayer().getAttribute(Attributes.BELOW_NAME_DISTANCE).setBaseValue(distance);
+    }
+
     @Override
     public boolean isVanished0() {
         if (VanishHook.isInstalled()) {

forge/src/main/java/me/neznamy/tab/platforms/forge/hook/LuckPermsAPIHook.java

@@ -14,7 +14,7 @@ import org.jetbrains.annotations.NotNull;
 public class LuckPermsAPIHook {
 
     /** Flag tracking presence of LuckPerms API */
-    private static final boolean luckPerms = ModList.get().isLoaded("luckperms");
+    private static final boolean luckPerms = ModList.isLoaded("luckperms");
 
     /**
      * Checks for permission and returns the result.

forge/src/main/java/me/neznamy/tab/platforms/forge/hook/PlaceholderAPIHook.java

@@ -19,7 +19,7 @@ public class PlaceholderAPIHook {
 
     static {
         try {
-            if (ModList.get().isLoaded("forgeplaceholderapi")) {
+            if (ModList.isLoaded("forgeplaceholderapi")) {
                 replaceIdentifiers = Class.forName("com.envyful.papi.api.util.UtilPlaceholder").getMethod("replaceIdentifiers", Object.class, String.class);
             }
         } catch (Exception e) {

forge/src/main/java/me/neznamy/tab/platforms/forge/hook/VanishHook.java

@@ -20,7 +20,7 @@ public class VanishHook {
 
     static {
         try {
-            if (ModList.get().isLoaded("vmod")) {
+            if (ModList.isLoaded("vmod")) {
                 isVanished = Class.forName("redstonedubstep.mods.vanishmod.VanishUtil").getMethod("isVanished", Player.class);
             }
         } catch (Exception e) {

forge/src/main/resources/META-INF/mods.toml

@@ -15,6 +15,6 @@ displayURL = "@website@"
 [[dependencies.tab]]
 modId = "minecraft"
 mandatory = true
-versionRange = "[26.1, 26.1.2]"
+versionRange = "[26.2]"
 ordering = "NONE"
 side = "SERVER"

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,9 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.6.0-bin.zip
 networkTimeout=10000
+retries=0
+retryBackOffMs=500
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -20,7 +20,7 @@
 
 ##############################################################################
 #
-#   Gradle start up script for POSIX generated by Gradle.
+#   gradlew start up script for POSIX generated by Gradle.
 #
 #   Important for running:
 #
@@ -29,7 +29,7 @@
 #       bash, then to run this script, type that shell name before the whole
 #       command line, like:
 #
-#           ksh Gradle
+#           ksh gradlew
 #
 #       Busybox and similar reduced shells will NOT work, because this script
 #       requires all of these POSIX shell features:
@@ -57,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/2d6327017519d23b96af35865dc997fcb544fb40/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.

gradlew.bat

@@ -19,12 +19,12 @@
 @if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
-@rem  Gradle startup script for Windows
+@rem  gradlew startup script for Windows
 @rem
 @rem ##########################################################################
 
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
+@rem Set local scope for the variables, and ensure extensions are enabled
+setlocal EnableExtensions
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
@@ -51,7 +51,7 @@ echo. 1>&2
 echo Please set the JAVA_HOME variable in your environment to match the 1>&2
 echo location of your Java installation. 1>&2
 
-goto fail
+"%COMSPEC%" /c exit 1
 
 :findJavaFromJavaHome
 set JAVA_HOME=%JAVA_HOME:"=%
@@ -65,29 +65,18 @@ echo. 1>&2
 echo Please set the JAVA_HOME variable in your environment to match the 1>&2
 echo location of your Java installation. 1>&2
 
-goto fail
+"%COMSPEC%" /c exit 1
 
 :execute
 @rem Setup the command line
 
 
 
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
+@rem Execute gradlew
+@rem endlocal doesn't take effect until after the line is parsed and variables are expanded
+@rem which allows us to clear the local environment before executing the java command
+endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel
 
-:end
-@rem End local scope for the variables with windows NT shell
-if %ERRORLEVEL% equ 0 goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-set EXIT_CODE=%ERRORLEVEL%
-if %EXIT_CODE% equ 0 set EXIT_CODE=1
-if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
-exit /b %EXIT_CODE%
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+:exitWithErrorLevel
+@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts
+"%COMSPEC%" /c exit %ERRORLEVEL%

jar/build.gradle.kts

@@ -44,13 +44,14 @@ val platformPaths = setOf(
     ":bukkit:v26_1",
     ":bukkit:v26_2",
     ":bungeecord",
+    ":fand",
     ":velocity"
 )
 
 val moddedPaths = setOf(
     ":fabric",
-    ":neoforge"
-//    ":forge"
+    ":neoforge",
+    ":forge"
 )
 
 val brokenPlatforms: List<Project> = brokenPlatformPaths.map { rootProject.project(it) }

neoforge/src/main/java/me/neznamy/tab/platforms/neoforge/NeoForgePlatform.java

@@ -253,6 +253,16 @@ public record NeoForgePlatform(MinecraftServer server) implements BackendPlatfor
         return (float) server.getAverageTickTimeNanos() / 1000000;
     }
 
+    @Override
+    public void runSyncGlobal(@NotNull Runnable task) {
+        server.execute(task);
+    }
+
+    @Override
+    public boolean hasLineOfSight(@NotNull TabPlayer viewer, @NotNull TabPlayer target) {
+        return ((NeoForgeTabPlayer) viewer).getPlayer().hasLineOfSight(((NeoForgeTabPlayer) target).getPlayer());
+    }
+
     @Override
     @NotNull
     public Object dump() {

neoforge/src/main/java/me/neznamy/tab/platforms/neoforge/NeoForgeTabList.java

@@ -7,6 +7,7 @@ import com.mojang.authlib.properties.PropertyMap;
 import lombok.NonNull;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.component.TabComponent;
+import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.platform.TabList;
 import me.neznamy.tab.shared.platform.decorators.TrackedTabList;
 import net.minecraft.network.chat.Component;
@@ -137,7 +138,7 @@ public class NeoForgeTabList extends TrackedTabList<NeoForgeTabPlayer> {
                     }
                 }
                 if (actions.contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED)) {
-                    if (allPlayersHidden && nmsData.profileId().getMostSignificantBits() != 0) { // Filter out layout entries
+                    if (allPlayersHidden && !LayoutManagerImpl.UUIDS_SET.contains(nmsData.profileId())) { // Filter out layout entries
                         listed = false;
                         rewriteEntry = rewritePacket = true;
                     }

neoforge/src/main/java/me/neznamy/tab/platforms/neoforge/NeoForgeTabPlayer.java

@@ -6,6 +6,7 @@ import me.neznamy.tab.shared.backend.BackendTabPlayer;
 import net.minecraft.SharedConstants;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.stats.Stats;
+import net.minecraft.world.entity.ai.attributes.Attributes;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -62,6 +63,11 @@ public class NeoForgeTabPlayer extends BackendTabPlayer {
         return (NeoForgePlatform) platform;
     }
 
+    @Override
+    public void setBelowNameDistance(double distance) {
+        getPlayer().getAttribute(Attributes.BELOW_NAME_DISTANCE).setBaseValue(distance);
+    }
+
     @Override
     public boolean isVanished0() {
         return false;

settings.gradle.kts

@@ -13,6 +13,14 @@ dependencyResolutionManagement {
         maven("https://jitpack.io") // PremiumVanish, Vault, YamlAssist, RedisBungee
         maven("https://mvn.lib.co.nz/public") // LibsDisguises
         maven("https://repo.william278.net/velocity/") // Velocity-proxy
+        exclusiveContent {
+            forRepository {
+                maven("https://repo.fandmc.cn/repository/maven-public/") // Fand
+            }
+            filter {
+                includeGroup("io.fand")
+            }
+        }
     }
 }
 
@@ -63,5 +71,6 @@ include(":bukkit:v26_2")
 include(":bungeecord")
 include(":fabric")
 include(":neoforge")
-//include(":forge")
+include(":forge")
+include(":fand")
 include(":jar")

shared/src/main/java/me/neznamy/tab/shared/FeatureManager.java

@@ -281,7 +281,7 @@ public class FeatureManager {
      * @param   objective
      *          Objective name
      */
-    public void onDisplayObjective(@NotNull TabPlayer packetReceiver, int slot, @NotNull String objective) {
+    public void onDisplayObjective(@NotNull TabPlayer packetReceiver, int slot, @Nullable String objective) {
         for (TabFeature f : values) {
             if (!(f instanceof DisplayObjectiveListener)) continue;
             TimedCaughtTask task = new TimedCaughtTask(TAB.getInstance().getCpu(),
@@ -336,6 +336,25 @@ public class FeatureManager {
         }
     }
 
+    /**
+     * Forwards disguise status changes to all enabled features.
+     *
+     * @param player player whose disguise status changed
+     */
+    public void onDisguiseStatusChange(@NotNull TabPlayer player) {
+        for (TabFeature f : values) {
+            if (!(f instanceof DisguiseListener)) continue;
+            TimedCaughtTask task = new TimedCaughtTask(TAB.getInstance().getCpu(),
+                    () -> ((DisguiseListener) f).onDisguiseStatusChange(player),
+                    f.getFeatureName(), CpuUsageCategory.DISGUISE_CHANGE);
+            if (f instanceof CustomThreaded) {
+                ((CustomThreaded) f).getCustomThread().execute(task);
+            } else {
+                task.run();
+            }
+        }
+    }
+
     /**
      * Forwards entry add to all features.
      *
@@ -608,4 +627,4 @@ public class FeatureManager {
 
         registerFeature(TabConstants.Feature.NICK_COMPATIBILITY, new NickCompatibility());
     }
-}
+}

shared/src/main/java/me/neznamy/tab/shared/Property.java

@@ -5,6 +5,7 @@ import lombok.RequiredArgsConstructor;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
 import me.neznamy.tab.shared.features.PlaceholderManagerImpl;
 import me.neznamy.tab.shared.features.types.RefreshableFeature;
+import me.neznamy.tab.shared.placeholders.PlaceholderIdentifier;
 import me.neznamy.tab.shared.placeholders.PlaceholderReference;
 import me.neznamy.tab.shared.placeholders.types.RelationalPlaceholderImpl;
 import me.neznamy.tab.shared.platform.TabPlayer;
@@ -258,10 +259,10 @@ public class Property {
             }
             string = stringBuilder.toString();
         }
-
+        string = EnumChatFormat.color(string); // Support & + color being in different elements
         if (!lastReplacedValue.equals(string)) {
             lastReplacedValue = string;
-            mayContainRelPlaceholders = lastReplacedValue.indexOf('%') != -1;
+            mayContainRelPlaceholders = lastReplacedValue.indexOf('%') != -1 || lastReplacedValue.contains("<rel_");
             if (name != null) {
                 owner.expansionData.setPropertyValue(name, lastReplacedValue);
             }
@@ -298,7 +299,7 @@ public class Property {
 
         // Nested placeholders
         for (String identifier : PlaceholderManagerImpl.detectPlaceholders(format)) {
-            if (!identifier.startsWith("%rel_")) continue;
+            if (!PlaceholderIdentifier.isRelational(identifier)) continue;
             PlaceholderReference reference = TAB.getInstance().getPlaceholderManager().getPlaceholderReference(identifier);
             format = format.replace(reference.getIdentifier(), EnumChatFormat.color(((RelationalPlaceholderImpl)reference.getHandle()).getLastValue(viewer, owner)));
             if (listener != null) listener.addUsedPlaceholder(identifier);

shared/src/main/java/me/neznamy/tab/shared/TabConstants.java

@@ -60,6 +60,7 @@ public class TabConstants {
         public static final String GAMEMODE_CHANGE = "Processing gamemode change";
         public static final String TABLIST_CLEAR = "TabList entry re-add";
         public static final String VANISH_CHANGE = "Vanish status change";
+        public static final String DISGUISE_CHANGE = "Disguise status change";
         public static final String DISABLE_CONDITION_CHANGE = "Refreshing disable condition";
         public static final String NICKNAME_CHANGE_PROCESS = "Processing nickname change";
     }
@@ -301,4 +302,4 @@ public class TabConstants {
         public static final String GLOBAL_PLAYER_LIST_ENABLED = "global_playerlist_enabled";
 
     }
-}
+}

shared/src/main/java/me/neznamy/tab/shared/backend/BackendTabPlayer.java

@@ -52,6 +52,16 @@ public abstract class BackendTabPlayer extends TabPlayer {
         return vanished;
     }
 
+    /**
+     * Updates the cached vanish state after receiving a platform event.
+     *
+     * @param vanished new vanish state
+     */
+    public void updateVanishState(boolean vanished) {
+        this.vanished = vanished;
+        lastVanishCheck = System.currentTimeMillis();
+    }
+
     /**
      * Returns player's health for {@link Placeholder#HEALTH} placeholder.
      *

shared/src/main/java/me/neznamy/tab/shared/chat/component/LegacyTextComponent.java

@@ -55,4 +55,9 @@ public class LegacyTextComponent extends TabTextComponent {
         }
         return modifier;
     }
+
+    @Override
+    public String toString() {
+        return text;
+    }
 }

shared/src/main/java/me/neznamy/tab/shared/chat/component/TabComponent.java

@@ -99,9 +99,45 @@ public abstract class TabComponent {
     /** Pattern for detecting fonts */
     private static final Pattern fontPattern = Pattern.compile("<font:(.*?)>(.*?)</font>");
 
-    private static final Pattern ATLAS_PATTERN = Pattern.compile("<sprite:(?:\"([^\"]+)\"|([^:]+)):(?:\"([^\"]+)\"|([^>]+))>");
+    private static final Map<Pattern, Function<Matcher, TabComponent>> OBJECT_PATTERNS = new LinkedHashMap<>();
 
-    private static final Pattern HEAD_PATTERN = Pattern.compile("<head:([^>]+)>");
+    static {
+        OBJECT_PATTERNS.put(Pattern.compile("<sprite:(?:\"([^\"]+)\"|([^:]+)):(?:\"([^\"]+)\"|([^>]+))>"), matcher -> {
+            String atlas = matcher.group(1) != null ? matcher.group(1) : matcher.group(2);
+            String sprite = matcher.group(3) != null ? matcher.group(3) : matcher.group(4);
+            return atlasSprite(atlas, sprite);
+        });
+        OBJECT_PATTERNS.put(Pattern.compile("<head:([^>:]+)(?::([^>]+))?>"), matcher -> {
+            try {
+                TabObjectComponent headComponent = new TabObjectComponent(head(matcher.group(1), matcher.group(2)));
+                if (TAB.getInstance().getConfiguration().getConfig().getComponents().isDisableShadowForHeads()) {
+                    headComponent.modifier.setShadowColor(0); // Hide shadow to match heads in online mode
+                }
+                return headComponent;
+            } catch (IllegalArgumentException e) {
+                return new LegacyTextComponent(String.format("<Invalid head: \"%s\">", matcher.group(1)));
+            }
+        });
+        OBJECT_PATTERNS.put(Pattern.compile("<head_texture:([^>:]+)>"), matcher -> {
+            TabObjectComponent headComponent = new TabObjectComponent(new TabPlayerSprite(null, null, TabList.Skin.fromTextureHash(matcher.group(1)), true));
+            if (TAB.getInstance().getConfiguration().getConfig().getComponents().isDisableShadowForHeads()) {
+                headComponent.modifier.setShadowColor(0); // Hide shadow to match heads in online mode
+            }
+            return headComponent;
+        });
+        OBJECT_PATTERNS.put(Pattern.compile("<mineskin:([^>:]+)>"), matcher -> {
+            TabList.Skin skin = TAB.getInstance().getConfiguration().getSkinManager().getSkin("mineskin:" + matcher.group(1));
+            if (skin != null) {
+                TabObjectComponent headComponent = new TabObjectComponent(new TabPlayerSprite(null, null, skin, true));
+                if (TAB.getInstance().getConfiguration().getConfig().getComponents().isDisableShadowForHeads()) {
+                    headComponent.modifier.setShadowColor(0); // Hide shadow to match heads in online mode
+                }
+                return headComponent;
+            } else {
+                return new LegacyTextComponent(String.format("<Invalid mineskin: \"%s\">", matcher.group(1)));
+            }
+        });
+    }
 
     @Nullable
     private Object converted;
@@ -308,57 +344,41 @@ public abstract class TabComponent {
         component.modifier.setFont(font);
         for (int i = 0; i < text.length(); i++) {
             char c = text.charAt(i);
+
+            // Object components
             if (c == '<') {
-                Matcher matcher = ATLAS_PATTERN.matcher(text.substring(i));
-                if (matcher.find() && matcher.start() == 0) {
-                    // flush current builder
-                    if (builder.length() > 0) {
-                        component.setText(builder.toString());
-                        components.add(component);
+                boolean matched = false;
+                for (Map.Entry<Pattern, Function<Matcher, TabComponent>> entry : OBJECT_PATTERNS.entrySet()) {
+                    Matcher matcher = entry.getKey().matcher(text.substring(i));
+                    if (matcher.find() && matcher.start() == 0) {
+                        // flush current builder
+                        if (builder.length() > 0) {
+                            component.setText(builder.toString());
+                            components.add(component);
+                            component = new TabTextComponent(component);
+                            component.setText("");
+                            component.modifier.setFont(font);
+                            builder = new StringBuilder();
+                        }
+                        components.add(entry.getValue().apply(matcher));
+
+                        // skip
+                        i += matcher.group(0).length() - 1;
+
+                        // reset formatting component safely
                         component = new TabTextComponent(component);
                         component.setText("");
                         component.modifier.setFont(font);
-                        builder = new StringBuilder();
+                        matched = true;
+                        break;
                     }
-                    String atlas = matcher.group(1) != null ? matcher.group(1) : matcher.group(2);
-                    String sprite = matcher.group(3) != null ? matcher.group(3) : matcher.group(4);
-                    components.add(atlasSprite(atlas, sprite));
-
-                    // skip
-                    i += matcher.group(0).length() - 1;
-
-                    // reset formatting component safely
-                    component = new TabTextComponent(component);
-                    component.setText("");
-                    component.modifier.setFont(font);
-                    continue;
                 }
-
-                matcher = HEAD_PATTERN.matcher(text.substring(i));
-                if (matcher.find() && matcher.start() == 0) {
-                    String skinDefinition = matcher.group(1);
-                    // flush current builder
-                    if (builder.length() > 0) {
-                        component.setText(builder.toString());
-                        components.add(component);
-                        component = new TabTextComponent(component);
-                        component.setText("");
-                        component.modifier.setFont(font);
-                        builder = new StringBuilder();
-                    }
-                    components.add(head(skinDefinition));
-
-                    // skip
-                    i += matcher.group(0).length() - 1;
-
-                    // reset formatting component safely
-                    component = new TabTextComponent(component);
-                    component.setText("");
-                    component.modifier.setFont(font);
+                if (matched) {
                     continue;
                 }
             }
 
+            // Colors
             if (c == '§') {
                 i++;
                 if (i >= text.length()) {
@@ -399,6 +419,7 @@ public abstract class TabComponent {
                     }
                 }
             } else if (c == '#' && text.length() > i+6) {
+                // RGB
                 String hex = text.substring(i+1, i+7);
                 if (isHexCode(hex)) {
                     TabTextColor color = new TabTextColor(hex);
@@ -512,41 +533,34 @@ public abstract class TabComponent {
     }
 
     /**
-     * Creates a new component of "object" type with given player skin definition.
+     * Creates a new component of "object" type with given player definition and outer layer.
      * If the skin definition is invalid in any way, text component with the error message is returned.
      *
-     * @param   skinDefinition
-     *          Skin definition to use in the component
+     * @param   head
+     *          Head definition to use in the component
+     * @param   outerLayer
+     *          Outer layer definition to use in the component, defaults to {@code true}
      * @return  New object component with given player skin or text component with error message
+     * @throws  IllegalArgumentException
+     *          If the head definition is invalid
      */
     @NotNull
-    public static TabComponent head(@NonNull String skinDefinition) {
-        UUID id = null;
-        String name = null;
-        TabList.Skin skin = null;
-        if (skinDefinition.startsWith("id:")) {
-            String stringUUID = skinDefinition.substring(3);
-            try {
-                id = UUID.fromString(stringUUID);
-            } catch (IllegalArgumentException e) {
-                return new LegacyTextComponent(String.format("<Invalid UUID: \"%s\">", stringUUID));
-            }
-        } else if (skinDefinition.startsWith("name:")) {
-            name = skinDefinition.substring(5);
-            if (name.length() > 16) {
-                return new LegacyTextComponent(String.format("<Invalid name (too long): \"%s\">", name));
-            }
-        } else {
-            skin = TAB.getInstance().getConfiguration().getSkinManager().getSkin(skinDefinition);
-            if (skin == null) {
-                return new LegacyTextComponent(String.format("<Invalid skin: \"%s\">", skinDefinition));
-            }
+    public static TabPlayerSprite head(@NonNull String head, @Nullable String outerLayer) {
+        boolean hat = outerLayer == null || outerLayer.equals("true");
+        try {
+            // UUID
+            UUID id = UUID.fromString(head);
+            return new TabPlayerSprite(id, null, null, hat);
+        } catch (IllegalArgumentException ignored) {
         }
-        TabObjectComponent component = new TabObjectComponent(new TabPlayerSprite(id, name, skin, true)); // Always show hat
-        if (TAB.getInstance().getConfiguration().getConfig().getComponents().isDisableShadowForHeads()) {
-            component.modifier.setShadowColor(0); // Hide shadow to match heads in online mode
+        if (head.contains("/")) {
+            // Texture path, not supported yet
+            return new TabPlayerSprite(null, null, new TabList.Skin(head, null), hat); // Just to avoid an error
         }
-        return component;
+        if (head.length() <= 16) {
+            return new TabPlayerSprite(null, head, null, hat);
+        }
+        throw new IllegalArgumentException("Invalid head definition: " + head);
     }
 
     /**

shared/src/main/java/me/neznamy/tab/shared/command/DumpCommand.java

@@ -9,7 +9,9 @@ import me.neznamy.tab.shared.chat.component.TabTextComponent;
 import me.neznamy.tab.shared.config.Configs;
 import me.neznamy.tab.shared.features.types.Dumpable;
 import me.neznamy.tab.shared.features.types.TabFeature;
+import me.neznamy.tab.shared.hook.MiniMessageHook;
 import me.neznamy.tab.shared.platform.TabPlayer;
+import me.neznamy.tab.shared.util.ReflectionUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.yaml.snakeyaml.DumperOptions;
@@ -54,8 +56,10 @@ public class DumpCommand extends SubCommand {
         data.put("platform", TAB.getInstance().getPlatform().dump());
         data.put("player", analyzed.dump());
         data.put("features", dumpFeatures(analyzed));
+        data.put("minimessage", dumpMiniMessage());
         data.put("placeholders", TAB.getInstance().getPlaceholderManager().dump(analyzed));
         data.put("tablist", analyzed.getTabList().dump());
+        data.put("scoreboard", analyzed.getScoreboard().dump());
         data.put("files", dumpFiles());
         DumperOptions options = new DumperOptions();
         options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
@@ -108,6 +112,16 @@ public class DumpCommand extends SubCommand {
         return features;
     }
 
+    @NotNull
+    private Map<String, Object> dumpMiniMessage() {
+        Map<String, Object> content = new LinkedHashMap<>();
+        content.put("support is enabled in config", TAB.getInstance().getConfiguration().getConfig().getComponents().isMinimessageSupport());
+        content.put("MiniMessage library is available", ReflectionUtils.classExists("net.kyori.adventure.text.minimessage.MiniMessage"));
+        content.put("TAB's MiniMessage instance", String.valueOf(MiniMessageHook.getMiniMessage()));
+        content.put("... and therefore MiniMessage works", MiniMessageHook.isAvailable());
+        return content;
+    }
+
     @NotNull
     private Map<String, Object> dumpFiles() {
         Map<String, Object> files = new LinkedHashMap<>();

shared/src/main/java/me/neznamy/tab/shared/command/NameTagCommand.java

@@ -16,11 +16,15 @@ import java.util.Locale;
 /**
  * Handler for "/tab nametag" subcommand.
  * Options:
- *   /tab nametag show/hide/toggle [player] [viewer] [-s]
- *   /tab nametag showview/hideview/toggleview [viewer] [-s]
+ *   /tab nametag show/opaque/hide/toggle [player] [viewer] [-s]
+ *   /tab nametag showview/opaqueview/hideview/toggleview [viewer] [-s]
  */
 public class NameTagCommand extends SubCommand {
 
+    private static final List<String> TARGET_ACTIONS = Arrays.asList("show", "opaque", "hide", "toggle");
+    private static final List<String> VIEW_ACTIONS = Arrays.asList("showview", "opaqueview", "hideview", "toggleview");
+    private static final List<String> ALL_ACTIONS = Arrays.asList("show", "opaque", "hide", "toggle", "showview", "opaqueview", "hideview", "toggleview");
+
     /**
      * Constructs new instance
      */
@@ -47,9 +51,9 @@ public class NameTagCommand extends SubCommand {
         }
 
         String action = args[0].toLowerCase(Locale.US);
-        if (action.equals("show") || action.equals("hide") || action.equals("toggle")) {
+        if (TARGET_ACTIONS.contains(action)) {
             processTarget(teams, sender, action, Arrays.copyOfRange(args, 1, args.length));
-        } else if (action.equals("showview") || action.equals("hideview") || action.equals("toggleview")) {
+        } else if (VIEW_ACTIONS.contains(action)) {
             processView(teams, sender, action,  Arrays.copyOfRange(args, 1, args.length));
         } else {
             sendMessages(sender, getMessages().getNameTagHelpMenu());
@@ -58,14 +62,19 @@ public class NameTagCommand extends SubCommand {
 
     private void processTarget(@NotNull NameTag teams, @Nullable TabPlayer sender, @NotNull String action, @NotNull String[] args) {
         boolean silent = args.length > 0 && args[args.length - 1].equals("-s");
+        String[] effectiveArgs = silent ? Arrays.copyOf(args, args.length - 1) : args;
 
-        TabPlayer player = args.length >= 1 ? TAB.getInstance().getPlayer(args[0]) : sender;
+        TabPlayer player = effectiveArgs.length >= 1 ? TAB.getInstance().getPlayer(effectiveArgs[0]) : sender;
         if (player == null) {
-            sendMessage(sender, getMessages().getPlayerNotFound(args[0]));
+            sendMessage(sender, effectiveArgs.length == 0 ? getMessages().getNameTagNoArgFromConsole() : getMessages().getPlayerNotFound(effectiveArgs[0]));
             return;
         }
 
-        TabPlayer viewer = args.length >= 2 ? TAB.getInstance().getPlayer(args[1]) : null;
+        TabPlayer viewer = effectiveArgs.length >= 2 ? TAB.getInstance().getPlayer(effectiveArgs[1]) : null;
+        if (effectiveArgs.length >= 2 && viewer == null) {
+            sendMessage(sender, getMessages().getPlayerNotFound(effectiveArgs[1]));
+            return;
+        }
 
         String permission = sender == viewer ? TabConstants.Permission.COMMAND_NAMETAG_VISIBILITY : TabConstants.Permission.COMMAND_NAMETAG_VISIBILITY_OTHER;
         if (!hasPermission(sender, permission)) {
@@ -73,7 +82,13 @@ public class NameTagCommand extends SubCommand {
             return;
         }
 
-        if (action.equals("show")) {
+        if (action.equals("opaque")) {
+            if (viewer != null) {
+                teams.getVisibilityManager().setOpaqueNameTag(player, viewer, "Processing command (opaque)", !silent);
+            } else {
+                teams.getVisibilityManager().setOpaqueNameTag(player, null, "Processing command (opaque)", !silent);
+            }
+        } else if (action.equals("show")) {
             if (viewer != null) {
                 teams.getVisibilityManager().showNameTag(player, viewer, NameTagInvisibilityReason.HIDE_COMMAND, "Processing command (show)", !silent);
             } else {
@@ -96,10 +111,11 @@ public class NameTagCommand extends SubCommand {
 
     private void processView(@NotNull NameTag teams, @Nullable TabPlayer sender, @NotNull String action, @NotNull String[] args) {
         boolean silent = args.length > 0 && args[args.length - 1].equals("-s");
-        TabPlayer viewer = args.length >= 1 ? TAB.getInstance().getPlayer(args[0]) : sender;
+        String[] effectiveArgs = silent ? Arrays.copyOf(args, args.length - 1) : args;
+        TabPlayer viewer = effectiveArgs.length >= 1 ? TAB.getInstance().getPlayer(effectiveArgs[0]) : sender;
 
         if (viewer == null) {
-            sendMessage(sender, getMessages().getPlayerNotFound(args[0]));
+            sendMessage(sender, effectiveArgs.length == 0 ? getMessages().getNameTagNoArgFromConsole() : getMessages().getPlayerNotFound(effectiveArgs[0]));
             return;
         }
 
@@ -111,24 +127,29 @@ public class NameTagCommand extends SubCommand {
 
         if (action.equals("showview")) {
             teams.showNameTagVisibilityView(viewer, !silent);
+            teams.getVisibilityManager().clearOpaqueNameTagView(viewer, "Processing command (showview)");
+        } else if (action.equals("opaqueview")) {
+            teams.getVisibilityManager().setOpaqueNameTagView(viewer, "Processing command (opaqueview)", !silent);
         } else if (action.equals("hideview")) {
             teams.hideNameTagVisibilityView(viewer, !silent);
+            teams.getVisibilityManager().clearOpaqueNameTagView(viewer, "Processing command (hideview)");
         } else {
             teams.toggleNameTagVisibilityView(viewer, !silent);
+            teams.getVisibilityManager().clearOpaqueNameTagView(viewer, "Processing command (toggleview)");
         }
     }
 
     @Override
     @NotNull
     public List<String> complete(@Nullable TabPlayer sender, @NotNull String[] arguments) {
-        if (arguments.length == 1) return getStartingArgument(Arrays.asList("show", "hide", "toggle", "showview", "hideview", "toggleview"), arguments[0]);
+        if (arguments.length == 1) return getStartingArgument(ALL_ACTIONS, arguments[0]);
         if (arguments.length == 2) return getOnlinePlayers(arguments[1]);
         String action = arguments[0].toLowerCase(Locale.US);
-        boolean targeting = action.equals("show") || action.equals("hide") || action.equals("toggle");
+        boolean targeting = TARGET_ACTIONS.contains(action);
         if (arguments.length == 3) {
             if (targeting) {
                 return getOnlinePlayers(arguments[2]);
-            } else if (action.equals("showview") || action.equals("hideview") || action.equals("toggleview")) {
+            } else if (VIEW_ACTIONS.contains(action)) {
                 return getStartingArgument(Collections.singletonList("-s"), arguments[2]);
             } else {
                 return Collections.emptyList();
@@ -143,4 +164,4 @@ public class NameTagCommand extends SubCommand {
         }
         return Collections.emptyList();
     }
-}
+}

shared/src/main/java/me/neznamy/tab/shared/command/ParseCommand.java

@@ -8,6 +8,7 @@ import me.neznamy.tab.shared.chat.TabTextColor;
 import me.neznamy.tab.shared.chat.component.TabComponent;
 import me.neznamy.tab.shared.chat.component.TabTextComponent;
 import me.neznamy.tab.shared.platform.TabPlayer;
+import me.neznamy.tab.shared.util.cache.StringToComponentCache;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -52,10 +53,6 @@ public class ParseCommand extends SubCommand {
             }
         }
         String textToParse = String.join(" ", Arrays.copyOfRange(args, 1, args.length));
-        if (!textToParse.contains("%")) {
-            sendMessage(sender, "&cThe provided input (" + textToParse + ") does not contain any placeholders, therefore there's nothing to test.");
-            return;
-        }
         // Do it this way to avoid sending the "§" symbol to the console to try to color the text (does not work on Velocity)
         sendMessage(sender, new TabTextComponent("", Arrays.asList(
                 new TabTextComponent("Replacing placeholder ", TabTextColor.GOLD),
@@ -65,7 +62,13 @@ public class ParseCommand extends SubCommand {
         )));
         try {
             String replaced = new Property(null, null, target, textToParse, null).get();
-            TabComponent colored = TabComponent.fromColoredText("&3Colored output: &e\"&r" + replaced + "&e\"");
+            TabComponent colored = new TabTextComponent("", Arrays.asList(
+                    new TabTextComponent("Colored output: ", TabTextColor.DARK_AQUA),
+                    new TabTextComponent("\"", TabTextColor.YELLOW),
+                    StringToComponentCache.GLOBAL.convert(replaced),
+                    new TabTextComponent("\"", TabTextColor.YELLOW)
+
+            ));
             if (sender != null) {
                 sender.sendMessage(colored);
             } else {

shared/src/main/java/me/neznamy/tab/shared/config/MessageFile.java

@@ -75,14 +75,16 @@ public class MessageFile extends YamlConfigurationFile {
     // ------------------
 
     private final List<String> nameTagHelpMenu = getStringList("nametag.help-menu", Arrays.asList(
-            "/tab nametag <show/hide/toggle> [player] [-s] - Toggles nametag of specified player",
-            "/tab nametag <showview/hideview/toggleview> [player] [viewer] [-s] - Toggles nametag VIEW of specified player on other player(s)"
+            "/tab nametag <show/opaque/hide/toggle> [player] [viewer] [-s] - Toggles nametag of specified player",
+            "/tab nametag <showview/opaqueview/hideview/toggleview> [viewer] [-s] - Toggles nametag VIEW of specified player"
     ));
     private final String nameTagFeatureNotEnabled = getString("nametag.feature-not-enabled", "&cThis command requires nametag feature to be enabled.");
     private final String nameTagViewHidden = getString("nametag.view-hidden", "&aNametags of all players were hidden to you");
     private final String nameTagViewShown = getString("nametag.view-shown", "&aNametags of all players were shown to you");
     private final String nameTagTargetHidden = getString("nametag.player-hidden", "&aYour nametag was hidden");
     private final String nameTagTargetShown = getString("nametag.player-shown", "&aYour nametag was shown");
+    private final String nameTagOpaqueViewShown = getString("nametag.opaque-view-enabled", "&aYou will no longer see nametags of players behind walls");
+    private final String nameTagOpaqueTargetShown = getString("nametag.opaque-player-enabled", "&aYour nametag will no longer be visible through walls");
     private final String nameTagNoArgFromConsole = getString("nametag.no-arg-from-console", "&cYou need to specify player if running this command from the console");
 
     public MessageFile() throws IOException {
@@ -154,4 +156,4 @@ public class MessageFile extends YamlConfigurationFile {
         return getString("bossbar-send-success", "&aSending bossbar &6%bossbar% &ato player &6%player% &afor %length% seconds.")
                 .replace("%player%", player).replace("%bossbar%", bar).replace("%length%", String.valueOf(length));
     }
-}
+}

shared/src/main/java/me/neznamy/tab/shared/config/converter/ModernConverter.java

@@ -135,6 +135,9 @@ public class ModernConverter {
         converters.put(5, config -> {
             config.getConfigurationSection("placeholders").put("locale", "en-US");
         });
+        converters.put(6, config -> {
+            config.getConfigurationSection("belowname-objective").put("view-distance", 10);
+        });
     }
 
     /**

shared/src/main/java/me/neznamy/tab/shared/features/PlaceholderManagerImpl.java

@@ -10,6 +10,7 @@ import me.neznamy.tab.shared.TabConstants.CpuUsageCategory;
 import me.neznamy.tab.shared.cpu.CpuManager;
 import me.neznamy.tab.shared.cpu.TimedCaughtTask;
 import me.neznamy.tab.shared.features.types.*;
+import me.neznamy.tab.shared.placeholders.PlaceholderIdentifier;
 import me.neznamy.tab.shared.placeholders.PlaceholderReference;
 import me.neznamy.tab.shared.placeholders.PlaceholderRefreshConfiguration;
 import me.neznamy.tab.shared.placeholders.PlaceholderRefreshTask;
@@ -257,7 +258,8 @@ public class PlaceholderManagerImpl extends RefreshableFeature implements Placeh
     }
 
     /**
-     * Detects placeholders in text using %% pattern and returns list of all detected identifiers
+     * Detects placeholders in text using %% pattern and platform-specific syntax,
+     * returning list of all detected identifiers
      *
      * @param   text
      *          text to detect placeholders in
@@ -265,6 +267,48 @@ public class PlaceholderManagerImpl extends RefreshableFeature implements Placeh
      */
     @NotNull
     public static List<String> detectPlaceholders(@NonNull String text) {
+        List<String> detectedPlaceholders = new ArrayList<>(detectPercentPlaceholders(text));
+        detectedPlaceholders.addAll(TAB.getInstance().getPlatform().detectAdditionalPlaceholders(text));
+
+        // The two detection methods return placeholders in their own local order,
+        // but merging them by appending breaks the order as they appear in the
+        // original text. Reorder by iterating through the string and finding
+        // placeholders in the actual order they appear.
+        List<String> orderedPlaceholders = new ArrayList<>();
+        String remaining = text;
+
+        while (!detectedPlaceholders.isEmpty()) {
+            // Find which placeholder appears first in the remaining text
+            String nextPlaceholder = null;
+            int nextIndex = Integer.MAX_VALUE;
+
+            for (String placeholder : detectedPlaceholders) {
+                int idx = remaining.indexOf(placeholder);
+                if (idx != -1 && idx < nextIndex) {
+                    nextIndex = idx;
+                    nextPlaceholder = placeholder;
+                }
+            }
+
+            // If no more placeholders found, add remaining ones
+            if (nextPlaceholder == null) {
+                orderedPlaceholders.addAll(detectedPlaceholders);
+                break;
+            }
+
+            // Add the found placeholder and remove it from further consideration
+            orderedPlaceholders.add(nextPlaceholder);
+            detectedPlaceholders.remove(nextPlaceholder);
+
+            // Move past this occurrence to find next placeholders in order
+            remaining = remaining.substring(nextIndex + nextPlaceholder.length());
+        }
+
+        return orderedPlaceholders;
+    }
+
+    @NotNull
+    private static List<String> detectPercentPlaceholders(@NonNull String text) {
         if (!text.contains("%")) return Collections.emptyList();
         if (text.charAt(0) == '%' && text.charAt(text.length()-1) == '%') {
             int count = 0;
@@ -481,8 +525,8 @@ public class PlaceholderManagerImpl extends RefreshableFeature implements Placeh
 
     @NotNull
     public synchronized PlaceholderReference getPlaceholderReference(@NonNull String identifier) {
-        if (identifier.charAt(0) != '%' || identifier.charAt(identifier.length() - 1) != '%') {
-            throw new IllegalArgumentException("Placeholder identifier must start and end with % (attempted to use \"" + identifier + "\")");
+        if (!PlaceholderIdentifier.isValid(identifier)) {
+            throw new IllegalArgumentException("Placeholder identifier must start and end with % or <> (attempted to use \"" + identifier + "\")");
         }
         // Check if placeholder is already registered
         PlaceholderReference reference = registeredPlaceholders.get(identifier);

shared/src/main/java/me/neznamy/tab/shared/features/belowname/BelowName.java

@@ -27,7 +27,7 @@ import java.util.stream.Collectors;
  * Feature handler for scoreboard objective with BELOW_NAME display slot (under name tag).
  */
 @Getter
-public class BelowName extends RefreshableFeature implements JoinListener, QuitListener, Loadable,
+public class BelowName extends RefreshableFeature implements JoinListener, QuitListener, Loadable, UnLoadable,
         WorldSwitchListener, ServerSwitchListener, CustomThreaded, ProxyFeature, VanishListener, Dumpable {
 
     /** Objective name used by this feature */
@@ -68,6 +68,7 @@ public class BelowName extends RefreshableFeature implements JoinListener, QuitL
         onlinePlayers = new OnlinePlayers(TAB.getInstance().getOnlinePlayers());
         Map<TabPlayer, Integer> values = new HashMap<>();
         for (TabPlayer loaded : onlinePlayers.getPlayers()) {
+            loaded.setBelowNameDistance(configuration.getViewDistance());
             loadProperties(loaded);
             if (disableChecker.isDisableConditionMet(loaded)) {
                 loaded.belowNameData.disabled.set(true);
@@ -84,6 +85,13 @@ public class BelowName extends RefreshableFeature implements JoinListener, QuitL
         }
     }
 
+    @Override
+    public void unload() {
+        for (TabPlayer all : onlinePlayers.getPlayers()) {
+            all.setBelowNameDistance(10); // Reset to default distance
+        }
+    }
+
     private void loadProperties(@NotNull TabPlayer player) {
         player.belowNameData.value = new Property(this, player, configuration.getValue());
         player.belowNameData.fancyValue = new Property(this, player, configuration.getFancyValue());
@@ -94,6 +102,7 @@ public class BelowName extends RefreshableFeature implements JoinListener, QuitL
     @Override
     public void onJoin(@NotNull TabPlayer connectedPlayer) {
         onlinePlayers.addPlayer(connectedPlayer);
+        connectedPlayer.setBelowNameDistance(configuration.getViewDistance());
         loadProperties(connectedPlayer);
         if (disableChecker.isDisableConditionMet(connectedPlayer)) {
             connectedPlayer.belowNameData.disabled.set(true);
@@ -275,6 +284,7 @@ public class BelowName extends RefreshableFeature implements JoinListener, QuitL
 
     @Override
     public void onQuit(@NotNull TabPlayer disconnectedPlayer) {
+        disconnectedPlayer.setBelowNameDistance(10); // Reset to default distance
         onlinePlayers.removePlayer(disconnectedPlayer);
     }
 

shared/src/main/java/me/neznamy/tab/shared/features/belowname/BelowNameConfiguration.java

@@ -22,6 +22,7 @@ public class BelowNameConfiguration {
     @NotNull private final String fancyValue;
     @NotNull private final String fancyValueDefault;
     @NotNull private final String disableCondition;
+    private final double viewDistance;
 
     /**
      * Returns instance of this class created from given configuration section. If there are
@@ -34,7 +35,8 @@ public class BelowNameConfiguration {
     @NotNull
     public static BelowNameConfiguration fromSection(@NotNull ConfigurationSection section) {
         // Check keys
-        section.checkForUnknownKey(Arrays.asList("enabled", "value", "title", "fancy-value-default", "fancy-value", "disable-condition"));
+        section.checkForUnknownKey(Arrays.asList("enabled", "value", "title", "fancy-value-default",
+                "fancy-value", "disable-condition", "view-distance"));
 
         // Check placeholders in title
         String title = section.getString("title", "Health");
@@ -72,7 +74,8 @@ public class BelowNameConfiguration {
                 title,
                 section.getString("fancy-value", "&c" + TabConstants.Placeholder.HEALTH),
                 section.getString("fancy-value-default", "NPC"),
-                section.getString("disable-condition", "%world%=disabledworld")
+                section.getString("disable-condition", "%world%=disabledworld"),
+                section.getNumber("view-distance", 10).doubleValue()
         );
     }
 }

shared/src/main/java/me/neznamy/tab/shared/features/layout/LayoutManagerImpl.java

@@ -28,6 +28,9 @@ import java.util.Map.Entry;
 public class LayoutManagerImpl extends RefreshableFeature implements LayoutManager, JoinListener, QuitListener, VanishListener, Loadable,
         UnLoadable, TabListClearListener, Dumpable {
 
+    /** public static for simple access */
+    public static final Set<UUID> UUIDS_SET = new HashSet<>();
+
     private final LayoutConfiguration configuration;
     private final LayoutSkinManager skinManager;
     private final UUID[] uuids = new UUID[80];
@@ -47,7 +50,9 @@ public class LayoutManagerImpl extends RefreshableFeature implements LayoutManag
         this.configuration = configuration;
         skinManager = new LayoutSkinManager(TAB.getInstance().getConfiguration().getSkinManager(), configuration.getDefaultSkin(), configuration.getDefaultSkinHashMap());
         for (int slot=1; slot<=80; slot++) {
-            uuids[slot-1] = new UUID(0, configuration.getDirection().translateSlot(slot));
+            UUID id = new UUID(1, configuration.getDirection().translateSlot(slot));
+            uuids[slot-1] = id;
+            UUIDS_SET.add(id);
         }
         for (Entry<String, LayoutDefinition> entry : configuration.getLayouts().entrySet()) {
             LayoutPattern pattern = new LayoutPattern(this, entry.getValue());
@@ -127,6 +132,7 @@ public class LayoutManagerImpl extends RefreshableFeature implements LayoutManag
                 p.layoutData.currentLayout.view.destroy();
             }
         }
+        UUIDS_SET.clear();
     }
 
     @Override

shared/src/main/java/me/neznamy/tab/shared/features/nametags/CollisionManager.java

@@ -5,6 +5,7 @@ import me.neznamy.tab.shared.TabConstants;
 import me.neznamy.tab.shared.cpu.ThreadExecutor;
 import me.neznamy.tab.shared.cpu.TimedCaughtTask;
 import me.neznamy.tab.shared.features.types.CustomThreaded;
+import me.neznamy.tab.shared.features.types.DisguiseListener;
 import me.neznamy.tab.shared.features.types.JoinListener;
 import me.neznamy.tab.shared.features.types.Loadable;
 import me.neznamy.tab.shared.features.types.RefreshableFeature;
@@ -19,7 +20,7 @@ import java.util.Objects;
 /**
  * Class managing collision rule for players.
  */
-public class CollisionManager extends RefreshableFeature implements JoinListener, Loadable, CustomThreaded {
+public class CollisionManager extends RefreshableFeature implements JoinListener, Loadable, CustomThreaded, DisguiseListener {
 
     @NotNull private final NameTag nameTags;
     @NotNull private final Condition enableCollision;
@@ -40,7 +41,7 @@ public class CollisionManager extends RefreshableFeature implements JoinListener
         TAB.getInstance().getPlaceholderManager().registerPlayerPlaceholder(TabConstants.Placeholder.COLLISION, p -> {
             TabPlayer player = (TabPlayer) p;
             if (player.teamData.forcedCollision != null) return Boolean.toString(player.teamData.forcedCollision);
-            boolean newCollision = !((TabPlayer)p).isDisguised() && enableCollision.isMet((TabPlayer) p);
+            boolean newCollision = collision(player);
             player.teamData.collisionRule = newCollision;
             return Boolean.toString(newCollision);
         });
@@ -52,7 +53,16 @@ public class CollisionManager extends RefreshableFeature implements JoinListener
     
     @Override
     public void onJoin(@NotNull TabPlayer connectedPlayer) {
-        connectedPlayer.teamData.collisionRule = enableCollision.isMet(connectedPlayer);
+        connectedPlayer.teamData.collisionRule = collision(connectedPlayer);
+    }
+
+    @Override
+    public void onDisguiseStatusChange(@NotNull TabPlayer player) {
+        if (player.teamData.forcedCollision != null) return;
+        boolean collision = collision(player);
+        if (player.teamData.collisionRule == collision) return;
+        player.teamData.collisionRule = collision;
+        updateCollision(player);
     }
 
     @NotNull
@@ -97,6 +107,10 @@ public class CollisionManager extends RefreshableFeature implements JoinListener
         }
     }
 
+    private boolean collision(TabPlayer player) {
+        return !player.isDisguised() && enableCollision.isMet(player);
+    }
+
     public void setCollisionRule(@NotNull me.neznamy.tab.api.TabPlayer player, Boolean collision) {
         ensureActive();
         getCustomThread().execute(new TimedCaughtTask(TAB.getInstance().getCpu(), () -> {
@@ -115,4 +129,4 @@ public class CollisionManager extends RefreshableFeature implements JoinListener
         p.ensureLoaded();
         return p.teamData.forcedCollision;
     }
-}
+}

shared/src/main/java/me/neznamy/tab/shared/features/nametags/NameTag.java

@@ -143,6 +143,7 @@ public class NameTag extends TabFeature implements NameTagManager, JoinListener,
     public void onQuit(@NotNull TabPlayer disconnectedPlayer) {
         onlinePlayers.removePlayer(disconnectedPlayer);
         unregisterTeam(disconnectedPlayer);
+        disconnectedPlayer.teamData.clearRegisteredTeams();
     }
 
     @Override

shared/src/main/java/me/neznamy/tab/shared/features/nametags/NameTagInvisibilityReason.java

@@ -12,5 +12,8 @@ public enum NameTagInvisibilityReason {
     MEETING_CONFIGURED_CONDITION,
 
     /** /tab nametag hide command */
-    HIDE_COMMAND
+    HIDE_COMMAND,
+
+    /** /tab nametag opaque command hides nametag from viewers without line of sight */
+    OPAQUE_OCCLUSION
 }