i had flown into a jungle and the frames dropped to very low levels. so much that the game crashed after braking bamboo.
on all survival worlds every time i load a jungle (or jungle varient) this happens
(note that with or without running the optifine mod it still happens)
Thank you for your report!
We're tracking this issue in MC-148095, 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:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki