Pok�mon GO has been updated to version 0.33.0 for Android and 1.3.0 for iOS

Pok�mon GO has been updated to version 0.33.0 for Android and 1.3.0 for iOS devices. Below are some release notes and comments from our development team.

• Added a dialog to remind Trainers that they should not play while traveling above a certain speed. Trainers must confirm they are not driving in order to continue playing.
• Made improvements to the accuracy of a curveball throw
• Fixed a bug that prevented �Nice,� �Great,� and �Excellent� Pok� Ball throws from awarding the appropriate XP bonuses.
• Fixed achievements showing incorrect Medal icons.
• Enabled the ability for Trainers to change their nickname one time. Please choose your new nickname wisely.
• Resolved issues with the battery saver mode on iOS and re-enabled the feature.
• Added visuals of Team Leaders Candela, Blanche, and Spark.
• Currently testing a variation of the �Nearby Pok�mon� feature with a subset of users. During this period you may see some variation in the nearby Pok�mon UI.
• Minor text fixes

source: http://pokemongo.nianticlabs.com/en/post/update-080816/