Probably working as intended but worth mentioning in case they were intended to be renamed with incremental integers as per new maps.
Basically any and all existing unnamed maps (previously with default desc of "map") already placed on an item frame or in chests have been updated to be named "Map 0".
Cleaning up old tickets: This ticket has not been updated recently (1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.
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