The bug: Hoglins, Zoglins, Piglins, and Piglin Brutes attack members of their own team.

How to reproduce:

1). Create a team. /team add player

2). Join the team. /team join player

3). Summon a Hogin, Zoglin, Piglin, or Piglin Brute on the same team. /summon hoglin ~ ~ ~ {Team:player}