Old world save problems

The old world doesnt save at all, takes abnormally long too save, says its saved but nothing or is unable too save when windows gets out of sleep mode/idle/minimization these things have actually happened too me about 4 times requiring me too alt-f4 the game too get out of the softlock its stuck in  (this is the same world I have bug that the bug MCPE-42058 exists in so it may be correlated)