Feature Policy

- WD

This 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

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 84: Supported
  3. 85: Supported

Firefox

  1. 2 - 73: Not supported
  2. 74 - 79: Partial support
  3. 80: Partial support
  4. 81 - 82: Partial support

Chrome

  1. 4 - 59: Not supported
  2. 60 - 73: Partial support
  3. 74 - 84: Supported
  4. 85: Supported
  5. 86 - 88: Supported

Safari

  1. 3.1 - 11: Not supported
  2. 11.1 - 13.1: Partial support
  3. 14: Partial support
  4. TP: Partial support

Opera

  1. 9 - 46: Not supported
  2. 47 - 60: Partial support
  3. 62 - 69: Supported
  4. 70: Supported

iOS Safari

  1. 3.2 - 11.2: Not supported
  2. 11.3 - 13.7: Partial support
  3. 14.0: Partial support

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Supported

Blackberry Browser

  1. 7: Not supported
  2. 10: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 46: Not supported

Chrome for Android

  1. 85: Supported

Firefox for Android

  1. 79: Partial support

IE Mobile

  1. 10: Not supported
  2. 11: Not supported

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 7.4: Not supported
  2. 8.2 - 10.1: Partial support
  3. 11.1: Supported
  4. 12.0: Supported

QQ Browser

  1. 10.4: Partial support

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Not supported

Standard support includes the HTTP Feature-Policy header, allow attribute on iframes and the document.featurePolicy JS API.

Resources:
Firefox implemention ticket
Feature Policy Tester (Chrome DevTools Extension)
Introduction to Feature Policy
Feature Policy Kitchen Sink Demos
featurepolicy.info (Feature-Policy Playground)
List of known features
MS Edge feature suggestion