Steps to reproduce the issue
Join any world
When joined in a single world the Player A then join the second player B in the same world
Then with Player A, try Grab blocks and deleting blocks by the creative inventory
Expected result
When there is player A and B in the single world will be no freeze for a few seconds at all in the creative Invetory for when grabbing blocks and deleting blocks
Actual result
When there is player A and B in the single world will be freeze for a few seconds in the creative inventory, for when grabbing blocks and aswell deleting blocks.
Video:
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