I tested this about 25 times on a vanilla 1.15.2 server, and the bug occurred about 5 times. (I lost the exact count)
So most times the item gets saved properly and drops as an item entity when the player rejoins, but about 1 in 5 times the item fails to get saved and disappears.
I tested this about 25 times on a vanilla 1.15.2 server, and the bug occurred about 5 times. (I lost the exact count)
So most times the item gets saved properly and drops as an item entity when the player rejoins, but about 1 in 5 times the item fails to get saved and disappears.