Audio Tracks
- LSMethod of specifying and selecting between multiple audio tracks. Useful for providing audio descriptions, director's commentary, additional languages, alternative takes, etc.
Chrome
- ❌ 4 - 44: Not supported
- ❌ 45 - 130: Disabled by default
- ❌ 131: Disabled by default
- ❌ 132 - 134: Disabled by default
Edge
- ✅ 12 - 18: Supported
- ❌ 79 - 130: Disabled by default
- ❌ 131: Disabled by default
Safari
- ❌ 3.1 - 6: Not supported
- ✅ 6.1 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2 - TP: Supported
Firefox
- ❌ 2 - 32: Not supported
- ❌ 33 - 132: Disabled by default
- ❌ 133: Disabled by default
- ❌ 134 - 136: Disabled by default
Opera
- ❌ 9 - 31: Not supported
- ❌ 32 - 113: Disabled by default
- ❌ 114: Disabled by default
IE
- ❌ 5.5 - 9: Not supported
- ✅ 10: Supported
- ✅ 11: Supported
Chrome for Android
- ❌ 131: Disabled by default
Safari on iOS
- ❌ 3.2 - 6.1: Not supported
- ✅ 7 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2: Supported
Samsung Internet
- ❌ 4 - 25: Not supported
- ❌ 26: Not supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ❌ 80: Disabled by default
UC Browser for Android
- ❌ 15.5: Disabled by default
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ❌ 131: Not supported
Firefox for Android
- ❌ 132: Not supported
QQ Browser
- ❌ 14.9: Disabled by default
Baidu Browser
- ❌ 13.52: Disabled by default
KaiOS Browser
- ❌ 2.5: Disabled by default
- ❌ 3: Disabled by default