Forge Version

43.3.5

Twilight Forest Version

4.3.1860

Client Log

No response

Crash Report (if applicable)

No response

Steps to Reproduce

1. Enter twilight forest on a server
2. Wander around in all directions
3. Return to overworld with group
4. Server begins to lag as chunks are not unloaded in twilight forest

What You Expected

I was expecting the chunks to unload after we left the world but something is keeping them from doing so. This is part of the Better Minecraft 1.20.1 modpack, but I have read similar cases across other servers with the twilight forest.

What Happened Instead

The chunks are refusing to unload (except when forced to via server reset) and it is causing major lag. The more of the Twilight that is explored the worse it becomes.

Additional Details

Nothing that comes to mind that isn't mentioned above. Just hoping it can somehow get resolved.

Please Read and Confirm The Following

• I have confirmed this bug can be replicated without the use of Optifine.
• I have confirmed the details provided in this report are concise as possible and does not contained vague information (ie. Versions are properly recorded, answers to questions are clear).
• I have confirmed this issue is unique and has not been reported already.

I finally got some time to look into this. I can safely say that with just TF installed, all chunks are properly unloading after leaving the dimension. We aren't force loading chunks anywhere in our code, even the ones we force to generate when a new portal is created are unloading just fine. All loaded chunks in TF were unloaded within 2 minutes from my testing.

I'll need a proper modded environment to do some more testing in. I suspect theres another mod at play here preventing things from properly unloading. I would appreciate a modlist or pack I can test with