Happens in 1.18. traded with my cartographer today for a second woodland mansion map and the game crashed. I tried again, did the trade again and it crashed again. I play on Win10.
From my experience in my world, when experiencing the invisible chunks, I was not getting sound lag or any other kind of lag described in MCPE-120971 and already loaded chunks and mobs in it worked as normal, it was just the chunks right next to the invisible chunks that were not updating, and of course the invisible chunks. Maybe there is some connection to MCPE-120971 but my experience doesn't seem to match other's experience of that bug. It's not like the invisible chunks were being slow (I did try to wait it out), it's like they just completely stopped, until I relogged.
here's the link https://1drv.ms/u/s!AkzFNKJHAfe9gYdIxrpsklWzN4zzgw?e=mYOnUs
In my friend's community realm we have to do /gamerule showcoordiantes true everytime the realm is unloaded as it keeps reverting back to false. We've also tried turning the coords on in the realm world settings but it still reverted.