Distance explored displayed on the end of the Party summary may not match between players.

Issue description: When viewing the end of Party summary, the distance explored may vary between players if one person leaves a Party early. This is a visual bug and does not affect distance based rewards.

Issue status: Resolved in upcoming release (0.287)

Trainer Avatar still appears on the Map when they are in a Raid.

Issue description: When a Trainer in Party is in a Raid, their Avatar still appears on the Map.

Issue status: Resolved in upcoming release (0.287)

Instead of favorited Party challenges, default Party challenges appear on the activity page.

Issue description: When a Trainer favorites a Party challenge, it does not appear as favorited on the activities page.

Issue status: Investigating.

Party Members are visible when their shared location data is disabled.

Issue description: When a Party Member turns off their location, their Avatar should disappear from other Trainers’ Maps. Instead, the Avatar appears on the Map but no longer shows the real-time location of the Party Member who turned off their location.

Issue status: Investigating.

Party Power Up does not charge if all Party Members’ Pokémon faint during a Raid Battle.

Issue description: Party Power Up does not charge if all Party Members’ Pokémon faint during a Raid Battle, even when the Party Members rejoin the Raid Battle with new teams.

Issue status: Investigating

Using an official Bluetooth device (e.g. Pokémon GO Plus+) does not count towards Party Challenges or Party Tab Stats.

Issue description: Pokémon GO Plus+ and other official Bluetooth devices’ PokéStop spins and caught Pokémon do not count towards Party Challenges and are not counted on the Party Tab Stats.

Issue status: Investigating

Source: Official Pokémon GO support page