craftbukkit/nms-patches/net/minecraft/server/commands/CommandSpawnpoint.patch

--- a/net/minecraft/server/commands/CommandSpawnpoint.java
+++ b/net/minecraft/server/commands/CommandSpawnpoint.java
@@ -37,7 +37,7 @@
         ResourceKey<World> resourcekey = commandlistenerwrapper.getLevel().dimension();
 
         for (EntityPlayer entityplayer : collection) {
-            entityplayer.setRespawnPosition(new EntityPlayer.RespawnConfig(resourcekey, blockposition, f, true), false);
+            entityplayer.setRespawnPosition(new EntityPlayer.RespawnConfig(resourcekey, blockposition, f, true), false, org.bukkit.event.player.PlayerSpawnChangeEvent.Cause.COMMAND); // CraftBukkit
         }
 
         String s = resourcekey.location().toString();