Are both versions of minecraft up to date? Is the internet connection strong enough. It might not be a bug.
@MarriedInMinecraft Have the mobs/entities disappeared since you closed and opened the world? Or when you unloaded a chunk?
Because either this is a new issue or MCPE-144208 (this bug) isn’t fixed.
Are both versions of minecraft up to date? Is the internet connection strong enough. It might not be a bug.