Permissions Policy

- WD

A security mechanism that allows developers to explicitly enable or disable various powerful browser features for a given site. Similar to Document Policy.

Chrome

  1. ❌ 4 - 59: Not supported
  2. ❌ 60 - 85: Not supported
  3. ❌ 86 - 87: Disabled by default
  4. ◐ 88 - 153: Partial support
  5. ◐ 154: Partial support
  6. ◐ 155 - 157: Partial support

Edge

  1. ❌ 12 - 18: Not supported
  2. ❌ 79 - 85: Not supported
  3. ❌ 86 - 87: Disabled by default
  4. ◐ 88 - 151: Partial support
  5. ◐ 152: Partial support

Safari

  1. ❌ 3.1 - 11: Not supported
  2. ❌ 11.1 - 26.6: Not supported
  3. ❌ 27: Not supported
  4. ❌ 27.1 - TP: Not supported

Firefox

  1. ❌ 2 - 73: Not supported
  2. ❌ 74 - 155: Not supported
  3. ❌ 156: Not supported
  4. ❌ 157 - 159: Not supported

Opera

  1. ❌ 9 - 46: Not supported
  2. ❌ 47 - 71: Not supported
  3. ❌ 72 - 94: Disabled by default
  4. ◐ 95 - 134: Partial support
  5. ◐ 135: Partial support

IE

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

Chrome for Android

  1. ◐ 152: Partial support

Safari on iOS

  1. ❌ 3.2 - 11.2: Not supported
  2. ❌ 11.3 - 26.6: Not supported
  3. ❌ 27.0: Not supported
  4. ❌ 27.1 - 27.2: Not supported

Samsung Internet

  1. ❌ 4 - 7.4: Not supported
  2. ❌ 8.2 - 29: Not supported
  3. ❌ 30: Not supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ◐ 80: Partial support

UC Browser for Android

  1. ❌ 15.5: Not supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ❌ 152: Not supported

Firefox for Android

  1. ❌ 156: Not supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ◐ 13.52: Partial support

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported

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

Resources:
Firefox implementation tracker
W3C - Permissions Policy Explainer
List of known features