[X] I have confirmed this bug can be replicated without the use of Optifine.
[X] 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).
[X] I have confirmed this does not happen on the fabric version (If it does please report to here instead).
[X] I have confirmed this issue is unique and has not been reported already.
According to your testing, does the issue occur with ONLY Immersive Portals mod?
Yes
Forge Version
40.1.69
ImmersivePortals Version
1.4.9pre
Latest Log
https://gist.github.com/Lolothepro/4b3c955f5e94ec58583d32d0878aef59
Crash Report (if applicable)
No response
Steps to Reproduce
https://streamable.com/i4pc2k
What You Expected
*
What Happened Instead
https://streamable.com/i4pc2k
Additional Details
No response
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