Update: New version 0.8 is out now.
This provides the webview patches for devicePixelRatio from webcat and way better youtube detection in different formats and the ability to choose between the formats for playback.
Ytapi was disabled and the player now fetches the direct youtube video streams.
Biggest speed improvement is the switch from GStreamerVideoOutput to VideoOutput which internally still uses Gstreamer (at least on 1.1.x) but offers way better performance.

Overview of changes:

• Fixed file removal in fileman
• Incorporated yt.js patches from webcat to better detect embedded youtube
  streams and try harder to get the direct youtube stream
• Added "Show Youtube Comments" for Youtube Videos in Details Page
• Added "Search Artist on Youtube" in Details Page
• Show controls on video ended
• Make User Agent controllable in SecondPage (WebView)
• Allow disabling checking for youtube url in SecondPage (WebView)
• Use NavigationRequest instead of Url Change to detect Youtube links
• Disabled ytapi
• Fixed youtube direct stream detection for all formats
• Added quality chooser for youtube videos
• Switched from GStreamerVideoOutput to VideoOutput which works far better
  on OS 1.1.x
• Added devicePixelRatio hack from webcat
• Added backbutton for SecondPage (Webviews)
• Enabled back swipe on SecondPage (Webviews)
• Check if youtube id can be retrieved before jumping into player

Get RPM from Openrepos