Feature Policy
- UNOFFThis 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.
Chrome
- ❌ 4 - 59: Not supported
- ◐ 60 - 73: Partial support
- ✅ 74 - 87: Supported
- ✅ 88 - 136: Supported
- ✅ 137: Supported
- ✅ 138 - 140: Supported
Edge
- ❌ 12 - 18: Not supported
- ✅ 79 - 87: Supported
- ✅ 88 - 136: Supported
- ✅ 137: Supported
Safari
- ❌ 3.1 - 11: Not supported
- ◐ 11.1 - 18.4: Partial support
- ◐ 18.5: Partial support
- ◐ 26.0 - TP: Partial support
Firefox
- ❌ 2 - 73: Not supported
- ◐ 74 - 138: Partial support
- ◐ 139: Partial support
- ◐ 140 - 142: Partial support
Opera
- ❌ 9 - 46: Not supported
- ◐ 47 - 60: Partial support
- ✅ 62 - 74: Supported
- ✅ 75 - 116: Supported
- ✅ 117: Supported
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ✅ 137: Supported
Safari on iOS
- ❌ 3.2 - 11.2: Not supported
- ◐ 11.3 - 18.4: Partial support
- ◐ 18.5: Partial support
- ◐ 26.0: Partial support
Samsung Internet
- ❌ 4 - 7.4: Not supported
- ◐ 8.2 - 10.1: Partial support
- ✅ 11.1 - 27: Supported
- ✅ 28: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ✅ 137: Supported
Firefox for Android
- ◐ 139: Partial support
QQ Browser
- ◐ 14.9: Partial support
Baidu Browser
- ✅ 13.52: Supported
KaiOS Browser
- ❌ 2.5: Not supported
- ◐ 3: Partial support
Standard support includes the HTTP Feature-Policy header, allow attribute on iframes and the document.featurePolicy JS API.