bugfixes
- Alternate audio track not playing audio back #1232
- stream without AUD NAL unit does not play #1239
- After the fragLoadingMaxRetry is hit, the player continues to request chunklists. #1240
- Misguessed audio codec breaks playback in Vivaldi #1257
- VTT subtitles don't show up on IE11 on windows 10 #1054 #1260
- Live stream stalls with "playback stalling in low buffer" #1172
- null reference on loader.stats in AbrController._abandonRulesCheck #1259