When a phantom is transported through a nether portal, it will not despawn if the game mode is set to peaceful. First saw in survival on Xbox One, then replicated in a different world using creative, then again on Windows 10 in creative.
MCPE-66971
Phantoms do not despawn in nether once in peaceful
Resolved
Duplicate
0
Thank you for your report!
We're actually already tracking this issue at MCPE-55270, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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