Channel messaging
- LSMethod for having two-way communication between browsing contexts (using MessageChannel)
Chrome
- 4 - 113: Supported
- 114: Supported
- 115 - 117: Supported
Edge
- 12 - 113: Supported
- 114: Supported
Safari
- 3.1 - 4: Not supported
- 5 - 16.4: Supported
- 16.5: Supported
- 16.6 - TP: Supported
Firefox
- 2 - 25: Not supported
- 26 - 40: Disabled by default
- 41 - 112: Supported
- 113: Supported
- 114 - 115: Supported
Opera
- 9 - 10.1: Not supported
- 10.5: Support unknown
- 10.6 - 98: Supported
- 99: Supported
IE
- 5.5 - 9: Not supported
- 10: Supported
- 11: Supported
Chrome for Android
- 114: Supported
Safari on iOS
- 3.2 - 4.3: Not supported
- 5 - 16.4: Supported
- 16.5: Supported
- 17: Supported
Samsung Internet
- 4 - 20: Supported
- 21: Supported
Opera Mini
- all: Not supported
Opera Mobile
- 10: Not supported
- 11 - 12.1: Supported
- 73: Supported
UC Browser for Android
- 13.4: Supported
Android Browser
- 2.1 - 4.3: Not supported
- 4.4 - 4.4.4: Supported
- 113: Supported
Firefox for Android
- 113: Supported
QQ Browser
- 13.1: Supported
Baidu Browser
- 13.18: Supported
KaiOS Browser
- 2.5: Supported
- 3: Supported