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.

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79 - 83: Not supported
  3. 84: Not supported

Firefox

  1. 2 - 73: Not supported
  2. 74 - 78: Not supported
  3. 79: Not supported
  4. 80 - 81: Not supported

Chrome

  1. 4 - 59: Not supported
  2. 60 - 83: Not supported
  3. 84: Not supported
  4. 85: Not supported
  5. 86 - 87: Disabled by default

Safari

  1. 3.1 - 11: Not supported
  2. 11.1 - 13: Not supported
  3. 13.1: Not supported
  4. 14 - TP: Not supported

Opera

  1. 9 - 46: Not supported
  2. 47 - 68: Not supported
  3. 69: Not supported

iOS Safari

  1. 3.2 - 11.2: Not supported
  2. 11.3 - 13.3: Not supported
  3. 13.4: Not supported
  4. 14.0: Not supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Not 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. 84: Not supported

Firefox for Android

  1. 68: Not supported

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 - 11.2: Not supported
  3. 12.0: Not supported

QQ Browser

  1. 10.4: Not supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: 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