Pokémon GO is being updated to a new version across all capable iOS and Android devices. The latest update is being rolled out to iOS and Android devices, respectively. According to patch notes from the development team at Niantic, the latest update implements various bug fixes and improvements for an overall smoother experience.
What’s New in Version 0.255.1 (iOS)
Trainers,
Here’s what’s new in Pokémon GO!
-Campfire improvements
-Minor bug fixes and performance improvements
What’s New in Version 0.255.1 (Android)
Trainers,
Here’s what’s new in Pokémon GO!
-Campfire improvements
-Minor bug fixes and performance improvements
Source: Official Pokémon GO support page
Pokémon Blog 
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