Looks like we need to use \n for newlines, even on Windows...

build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 
 allprojects {
     group = "xyz.jpenilla"
-    version = "1.2.3+${latestCommitHash()}-SNAPSHOT"
+    version = "1.2.4+${latestCommitHash()}-SNAPSHOT"
     description = "Use MiniMessage text formatting in your servers MOTD."
 }
 

common/src/main/java/xyz/jpenilla/minimotd/common/MiniMOTDConfig.java

@@ -109,7 +109,7 @@ public abstract class MiniMOTDConfig<I> {
             index = motds.size() == 1 ? 0 : ThreadLocalRandom.current().nextInt(motds.size());
             motd = motds.get(index).replace("{onlinePlayers}", String.valueOf(onlinePlayers))
                     .replace("{maxPlayers}", String.valueOf(maxPlayers))
-                    .replace("{br}", System.lineSeparator());
+                    .replace("{br}", "\n");
         } else {
             motd = null;
             index = 0;

common/src/main/resources/config.yml

@@ -45,4 +45,4 @@ bungeeOnly:
   fakePlayers: "25%"
 
   # Setting this to true will disable the hover text showing online player usernames
-  disablePlayerListHover: false
+  disablePlayerListHover: false