Netflix has updated its app for iOS 7 to now support HD viewing and also AirPlay support; the latter will require you to disable AirPlay mirroring for it to work properly. Full change log below:
What’s New in Version 5.0
* Netflix HD for iOS 7
* AirPlay streaming for iOS 7 (requires disabling AirPlay mirroring)
* Playback optimizations
* Stability improvements
Back in August, Netflix launched new personalized profiles which are now available in the iOS app, allowing users with numerous family members to customize their viewing experience.