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Baby zombie hitbox too high. Affects player heads.

Squid (and possibly other mobs) behavior change when nametag applied

Saddles, Horse Armor, and Name Tags are missing crafting recipes.

Nametags don't work with villagers

Named Pig Doesnt Appear To Other Players On Lan Game

Name Tags Don't Orient Correctly in Reverse 3rd Person

Horses aren't keeping their names since the 1.1 update.

Custom name tags are visible from distance..

Name tag not renaming

Passive mobs (especially named and/or tamed ones) are frequently despawning

Can't Name Tag Wandering Traders

Name tagged hostile mobs despawning; Name Tag duplicating

Nametagged mobs despawn

The height of the nametag of an entity named "deadmau5" is different from the height of any other name