--- a/net/minecraft/server/level/ServerPlayer.java
+++ b/net/minecraft/server/level/ServerPlayer.java
@@ -428,6 +_,7 @@
     public @Nullable com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper - PlayerNaturallySpawnCreaturesEvent
     public @Nullable String clientBrandName = null; // Paper - Brand support
     public @Nullable org.bukkit.event.player.PlayerQuitEvent.QuitReason quitReason = null; // Paper - Add API for quit reason; there are a lot of changes to do if we change all methods leading to the event
+    public double trackingRangeModifier = 1.0; // Sakura - entity tracking range modifier
 
     // Paper start - rewrite chunk system
     private ca.spottedleaf.moonrise.patches.chunk_system.player.RegionizedPlayerChunkLoader.PlayerChunkLoaderData chunkLoader;