- Fix allowing download of invalid sources (HLS) - Fix (future) issue of mixed video + audio only playlists - Playlist video download failures that are impossible to resolve (invalid source type) are now permanently stopped from downloading (until re-cache playlist) - Playlist video downloads that are cancelled are permanently stopped from downloading (until re-cache playlist) - No longer show download dialog if no valid sources are available - Use detailed video download overlay on overviews - Various other download cleanup