Pokemon GO update rolling out (version 1.39.1 / 0.69.1)

Update (8/2): The new Pokemon GO update is now officially live.

Original (7/29): Niantic is rolling out another update for Pokemon GO. Players should soon find that version 1.39.1 is available for iOS, and version 0.69.1 for Android.

The latest update mainly addresses a few bugs and issues. It also brings back Spark to appraise Pokemon for Team Instinct Trainers. Players recently noticed that Spark went missing and have been wondering when he would return.

The full Pokemon GO patch notes are as follows:

• Spark has returned to appraise Pokémon for Team Instinct Trainers.
• Resolved a motivation decay bug impacting Pokémon with less than 3000 CP.
• Resolved a bug causing Pokémon GO to freeze after consuming potions too quickly.
• Resolved a bug causing Pokémon GO to freeze after all 6 Pokémon faint during a Raid Battle.
• Resolved an issue causing iPhone 6 devices to crash.

Source