When I enter into or out of the nether dimension, my world has some trouble loading chunks and everything lags; I can't pick up any items if I break a block, or I can't use any functions of a block like a furnace. It will only stop lagging if I back out of my world and go back in.
Thank you.
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duplicates 1
Comments 2

Thank you for your report!
We're tracking this issue in MC-227996, so this ticket is being resolved and linked as a duplicate.
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Duplicate of MC-227996, which was later resolved as invalid due to this issue being caused by optifine.