paper-server/patches/sources/net/minecraft/server/level/ServerLevel.java.patch

@@ -1072,6 +1072,14 @@
      @Override
      public CrashReportCategory fillReportDetails(CrashReport report) {
          CrashReportCategory crashReportCategory = super.fillReportDetails(report);
+@@ -1714,6 +_,7 @@
+     final class EntityCallbacks implements LevelCallback<Entity> {
+         @Override
+         public void onCreated(Entity entity) {
++            entity.setOldPosAndRot(); // Paper - update old pos / rot for new entities as it will default to Vec3.ZERO
+         }
+ 
+         @Override
 @@ -1723,24 +_,32 @@
  
          @Override