Steps to Reproduce:
1. Open a world with experiments of 1.21.
2. Summon some Breezes.
3. When they are attacking you, run /tp @e @s.
Observed Result:
It says "Teleported entity.wind_charge_projectile.name to %s.", displaying its raw translation string.
Expected Result:
It says "Teleported Wind Charge to %s."
See attachments.
Confirm,because they forget to add the wind charge localize key.
solution:go to en_US.lang and add entity.wind_charge_projectile.name=Wind Charge