Whenever i trade with a cartografer ( glass panes ) , the world will freeze completely . Not the game itself , but the world : I cant trade , my elytra glitches and leaves me in "flying" position forever , but the time of the day still changes . If i try to leave the world , the game crashes and i have to restart my computer .
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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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Duplicate of MC-228721, which was later resolved as invalid due to this issue being caused by Optifine.