Xbox Video has received a new update for Windows Phone Devices The new version is 2.6.435.0. The update brings new features to the Video.
Xbox Video Changelog:
Version 2.6.435.0 on Windows Phone 8.1 includes the following improvements:
Cached thumbnails for videos will be consistently cleaned up – freeing up storage space
We have greater control over the timing of the release of new movies and television episodes