Zombie despawning even with a nametag

Does MC-3453 describe your problem?

It does not since the zombie was not in the Sun at all plus it was holding an item in his hand or had a name (named with a nametag).

Please attach screenshots or video with the debug screen (F3) enabled.

Not much to see...

He is there riding around in a minecart scaring the villagers for some time (cca half hour) then he is just gone...!

Please attach the game logs from the play session during which the entity despawned

Thank you for your report!
We're tracking this issue in MC-230945, so this ticket is being resolved and linked as a duplicate.

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