-Added nonnull and final constraints to variables in MediaSourceManager.
-Added nonnull and final constraints on context related objects in BasePlayer.
-Fixed Hls livestreams crashing player when behind live window for too long.
-Fixed cache miss when InfoCache key mismatch between StreamInfo and StreamInfoItem.
-Modified LoadController to allow fast playback start and increased buffer zigzag window.
-Removed unnecessary loading on timeline changes.
-Changed select message in MediaSourceManager to cause immediate load.
-Reduced default expiration time in MediaSourceManager.
-Fixed main video player not showing end time on audio-only streams.
-Fixed live stream has player view disabled after transitioning from audio stream.
-Fixed inconsistent progress bar height between live and non-live video on main player.
-Fixed live media sources failing when using cached data source by introducing
cacheless data sources.
-Added custom track selector to circumvent ExoPlayer's language normalization NPE.
-Updated Extractor to correctly load live streams.
-Removed deprecated deferred media source and media source manager.
-Removed Livestream exceptions.
-Added drag reorder speed clamping to play queue list.
-Fixed service player activity memory leak.
-Fixed media source manager sync disposable fallthrough causing NPE.
-Fixed thread bouncing during play queue item async stream resolution.
-Updated ExoPlayer to 2.6.0.
-Fixed bookmark button flickering on visibility toggling.
-Removed toolbar up button control from local fragments, delegating functionality back to main fragment.
-Updated extractor to latest.
-Added LeakCanary as part of debug build.
-Modified bookmark list to show both remote and local playlists.
-Removed ability to save channel items as local playlist, in favor of subscribe.
-[#919] Fixed custom notification does not trigger unlocking on lockscreen.
-[#947] Fixes player crashing on internet outage, issue partially addressed.
-Fixed main player losing state after destroy while in background.
-Fixed main player controls not hiding automatically after orientation change.
-Fixed dialog uploader not marqueeing when too long.
-Fixed popup permission throwing NPE on BaseList.
-Refactored popup permissions to start in NavigationHelper.
-Extracted hardcoded string for player menus.
-Bump Java version to 1.8.
-Some lambda conversions.
