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 - 154: Disabled by default
- ❌ 155: Disabled by default
- ❌ 156 - 158: Disabled by default
Edge
- ✅ 12 - 18: Supported
- ❌ 79 - 154: Disabled by default
- ❌ 155: Disabled by default
Safari
- ❌ 3.1 - 6: Not supported
- ✅ 6.1 - 26.6: Supported
- ✅ 27: Supported
- ✅ 27.1 - TP: Supported
Firefox
- ❌ 2 - 32: Not supported
- ❌ 33 - 157: Disabled by default
- ❌ 158: Disabled by default
- ❌ 159 - 161: Disabled by default
Opera
- ❌ 9 - 31: Not supported
- ❌ 32 - 134: Disabled by default
- ❌ 135: Disabled by default
IE
- ❌ 5.5 - 9: Not supported
- ✅ 10: Supported
- ✅ 11: Supported
Chrome for Android
- ❌ 155: Disabled by default
Safari on iOS
- ❌ 3.2 - 6.1: Not supported
- ✅ 7 - 26.6: Supported
- ✅ 27.0: Supported
- ✅ 27.1 - 27.2: Supported
Samsung Internet
- ❌ 4 - 29: Not supported
- ❌ 30: 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
- ❌ 155: Not supported
Firefox for Android
- ❌ 158: 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