Microsoft has updated the native Windows Phone 8 and 8.1 video apps at the store. The update takes app to version 1.6.258.0 on Windows Phone 8 and 2.6.258.0 on Windows Phone 8.1. It makes personal video list sorting persistent across app launches and fixes blank screen issue faced in case of some videos. There are other fixes too.
Personal video list sorting now persists across app launches
The full screen button no longer causes the app to show a white, blank screen for some videos