Pokémon Go 0.77.1

0.77.1 or 1.47.1 was released on October 7, 2017 to fix some issues.

Additions

 * A confirmation dialogue now appears when attempting to transfer costumed Pokémon.
 * Costumed Pokémon can no longer be mass-transferred.

Fixes

 * Resolved a bug causing occasional network errors while battling in Gyms.
 * Resolved a bug causing Raid Battle lobbies to display the incorrect number of Trainers preparing for battle.
 * Resolved a bug causing the Pokémon selected in the Raid Battle lobby to be reset after clicking the items button.
 * Resolved a bug where some Curveballs weren’t registering properly.
 * Various other bug fixes and performance updates.