When trading with cartographers and unlocking new trades the game freezes. I believe it happens when you unlock a map trade. The freeze then causes the game to take a long time to save and quit but in the 5+ times it has happened to me it has never actually caused a crash.Β
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We're tracking this issue in MC-228721, so this ticket is being resolved and linked as a duplicate.
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DuplicatesΒ MC-228721. Known optifine issue.