Fix

src/main/java/com/artillexstudios/axsmithing/listener/InteractListener.java

@@ -3,6 +3,7 @@ package com.artillexstudios.axsmithing.listener;
 import com.artillexstudios.axsmithing.AxSmithingPlugin;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.event.Event;
 import org.bukkit.event.EventHandler;
@@ -20,7 +21,7 @@ public class InteractListener implements Listener {
         if (event.getAction().equals(Action.LEFT_CLICK_BLOCK)) return;
 
         if (AxSmithingPlugin.is1_20()) {
-            if (Via.getAPI().getPlayerVersion(event.getPlayer()) == ProtocolVersion.v1_20.getVersion() && !AxSmithingPlugin.getConfiguration().getBoolean("menu.v1_20.force-for-1_20-clients")) {
+            if (Via.getAPI().getPlayerVersion(event.getPlayer()) >= ProtocolVersion.v1_20.getVersion() && !AxSmithingPlugin.getConfiguration().getBoolean("menu.1_20.force-for-1_20-clients")) {
                 return;
             }
         } else {

src/main/resources/config.yml

@@ -1,7 +1,7 @@
 menu:
   # If your server version is 1.20+, this is what will be shown for lower version clients
   "1_20":
-    title: '&7Upgrade items'
+    title: '&0Upgrade items'
     rows: 3
     template-slot: 10
     item-slot: 11
@@ -25,7 +25,7 @@ menu:
 
   # If your server version is 1.16+, this is what will be shown to 1.20+ clients
   "1_16":
-    title: '&7Upgrade items'
+    title: '&0Upgrade items'
     rows: 3
     item-slot: 11
     upgrade-slot: 12
@@ -42,7 +42,7 @@ menu:
         material: air
 
 messages:
-  prefix: "&#AA3428AxSmithing &7» "
+  prefix: "&#AA3428&lAxSmithing &7» "
   no-permission: "&cYou do not have permission to do this!"
   reload: "&aPlugin reloaded in %time%ms!"