Animals will sometimes randomly despawn and villagers will deswpawn unless you trade with them. Its a big issue because I lost a wild pink sheep and a fortune III villager that i hadn't traded with yet. I'm not sure if naming them affects if they despawn or not.
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[Mod] OcelotOnesie
migrated
Thank you for your report!
We're tracking this issue in MCPE-21416, so this ticket is being resolved and linked as a duplicate.
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