Some chunks create extremely high amounts of lag when breaking blocks.
Whats weird that restarting game removed lag from these chunks in vanila minecraft video.
Videos of this bug:
Vanila and only vanila:
https://youtu.be/BaiQzZpwuis
Moded server, vanila client: (UPDATE from moded server thats completely another lighting bug, which doesnt get fixed by restart of client)
https://youtu.be/_T-YpC_yh68
Related issues
Comments


Is the issue still in 1.15.2 ?

Thank you for your report!
We're tracking this issue in MC-123584, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – ✍️ Feedback and Suggestions – 📖 Game Wiki
-- I am a bot. This action was performed automagically! Please report any issues in Discord or Reddit
update: looks like isusue from moded server was completely other lighting bug