Here is the full change log of this update:
- APK size reduced
- Recents added to the drawer
- Animated Visualizer on playing albums and tracks
- Google Play branding was removed from the splash screen
Above is the official change log of this update. Which I found from the AndroidPolice post.
Smaller APK reduced the app load and will boost the app speed and performance.
Checkout the other features in details at the AndroidPolice post.
Or to Download the APK File of this update Click below
Google Play Music APK