Feature Policy
- WDThis specification defines a mechanism that allows developers to selectively enable and disable use of various browser features and APIs. Feature Policy is deprecated and has been replaced with Permissions Policy and Document Policy.
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 18: Not supported
- 79 - 87: Supported
- 88: Supported
Firefox
- 2 - 73: Not supported
- 74 - 84: Partial support
- 85: Partial support
- 86 - 87: Partial support
Chrome
- 4 - 59: Not supported
- 60 - 73: Partial support
- 74 - 85: Supported
- 86 - 87: Supported
- 88: Supported
- 89 - 91: Supported
Safari
- 3.1 - 11: Not supported
- 11.1 - 13.1: Partial support
- 14: Partial support
- TP: Partial support
Opera
- 9 - 46: Not supported
- 47 - 60: Partial support
- 62 - 72: Supported
- 73: Supported
iOS Safari
- 3.2 - 11.2: Not supported
- 11.3 - 13.7: Partial support
- 14: Partial support
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 81: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 59: Not supported
Chrome for Android
- 88: Supported
Firefox for Android
- 85: Partial support
UC Browser for Android
- 12.12: Not supported
Samsung Internet
- 4 - 7.4: Not supported
- 8.2 - 10.1: Partial support
- 11.1 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Partial support
Baidu Browser
- 7.12: Not supported
KaiOS Browser
- 2.5: Not supported
Standard support includes the HTTP Feature-Policy header, allow attribute on iframes and the document.featurePolicy JS API.