Hello, there is an issue, i have few worlds.

player1 is in world1, player2 is in world2

and if i type 'nte player player1 prefix blabla'
player2 go to player1's world
and player2 see player1's default tag
but players in player1's world see new tag

i'm using the newest version

Are you using 1.12?

yes

Still an issue?