To help the devs for the bug, while they fix it you could put your stuff in a ender chest in the end and one in the overworld to save the items but for xp oh god this isnt gonna work .
It's wierd cause in ps4 it works fine and sometimes it might have some lag due to my ps4 sounds sistem. Otherwise i have no problem .
put your stuff in a e chest in the end and one at home so you can have your stuff but for xp i dont know