The latest version of Pokémon Go Version 1.7.0 adds the normal bug fixes that I am sure you suffered through. You know like eggs hatching without alerting users and the app freezing when switching between networks have been addressed in this update. A usability fix also makes it easier to select smaller Pokémon on the main map. On this update you can also add support for the long awaited Pokémon Go Plus accessory. You can now select any Pokémon from your collection and make it your Buddy. Aside from looking cool next to you when walking the Pokémon also awards Candy that can be used to evolve and power up your monsters.
Sadly after updating Pokémon Go on a jailbroken device you will see a screen that says “This device, OS, or software is not compatible with Pokémon Go” and a link to learn more. This puts a stop to those that have jailbroken phones from playing the game. At least until the good folks at Cydia come up with something new. So if you have a jailbroken device don’t update the app.