* Welcome Activity to choose instance on first app startup
* Significantly increase download speed using range requests
* Support for editing the playlist description
* Much faster audio only/background player with less buffering (using DASH)
* Show currently applied playlist sort order
* Preference to edit the home tab content
* Show 'mark as unwatched' in video options sheet if already watched
* Improve offline player appearance and behavior
* Improve autoplay switch (show pause icon if disabled)
