Pokémon GO is in the process of being updated to version 0.81.1 for Android and 1.51.1 for iOS devices. Details from our development team:
- Resolved a bug that prevented Trainers from powering up Pokémon to their max CP.
- Resolved a bug that caused Trainers’ contributions to reset when rejoining a Raid Battle.
- Various bug fixes and performance updates.
—The Pokémon GO team