Niantic has updated the official Known Issues support page for Pokémon GO. Read on below to learn more:
Known Issues
Issue Description: After defeating Mega Latios or Mega Latios in a raid, the countdown timer continues and the raid is failed.
Issue Status: Investigating
Issue description: Trainers who are on devices that use versions of Android OS 6 or 7 do not encounter Team GO Rocket balloons.
Issue status: Resolved in release (0.233.1)
Issue description: For Pokémon that can be evolved after trading, the number of Candy needed to evolve them is overlaid with an incorrect number. However, this issue is only a visual bug. The correct number of Candies will be consumed upon evolution.
Issue status: Resolved in upcoming release (0.235). In the meantime, if you have difficulty reading the correct number, please reach out to our support team and we can help.
Notification rings are visible outside Map View.
Issue description: When Trainers enter a Pokémon encounter or battle in GO Battle League, sometimes the notification rings from features such as a Global Challenge Arena bonus are still visible.
Issue status: Investigating
Issue description: Some Trainers are not receiving in-game notifications such as raid invitations and do not encounter Team GO Rocket balloons.
Issue status: Investigating. If Trainers open all Gifts they have received, this may resolve the issue in the meantime.
Issue description: Some weather-related visual effects such as rainy weather have been temporarily disabled as we investigate a bug.
Issue status: Investigating
Issue description: Trainers may experience issues enabling or disabling Adventure Sync, or may experience inaccurate distance tracking.
Issue status: Mitigated in release. Reinstalling your application and re-enabling all permissions in device and application settings may help resolve further issues.
Source: Official Pokémon GO support page
Source: Pokemon