Changing the size of the world border destroys item frames in the way of the border.
Have not tested on a single player world but it broke all item frames on a multiplayer server.
Might be a duplicate of MC-94594 but that report is marked as resolved.
Thank you for your report!
We're tracking this issue in MC-94594, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
MC-94594 is being temporarily resolved as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.
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