Since the update, 20w10a, has released, the game for some reason does not allow the player to name/rename any item through an anvil interface. Using commands do summon named items works, but attempting to rename items using the anvil in any game mode is rendered an impossible task for the player.
Related issues
duplicates
Comments
[Mod]Les3awe
If you press tab you can rename items
Thank you for your report!
We're actually already tracking this issue in MC-173725, 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.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
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