The YouTube app now has a new UI and preloading for older Android devices (Froyo and Gingerbread) as well as being able to add videos to your YouTube TV queue:
New UI and Preloading now available on Froyo and Gingerbread devices
* New Watch experience
*Add videos to your YouTube TV queue
* More channels to pick from on the Channel Store
The Netflix update is very minor just having general bug fixes.