Previously using the command /tp (player username) would teleport you to the player with "player username". Now it no longer works and need to use the command /tp (your username) (player username) to teleport yourself to them.
Previously using the command /tp (player username) would teleport you to the player with "player username". Now it no longer works and need to use the command /tp (your username) (player username) to teleport yourself to them.
Can confirm on 21w14a