ui-serif, ui-sans-serif, ui-monospace and ui-rounded values for font-family

- WD

Allows more control when choosing system interface fonts

Chrome

  1. 4 - 112: Not supported
  2. 113: Not supported
  3. 114 - 116: Not supported

Edge

  1. 12 - 112: Not supported
  2. 113: Not supported

Safari

  1. 3.1 - 13: Not supported
  2. 13.1 - 16.4: Supported
  3. 16.5: Supported
  4. 16.6 - TP: Supported

Firefox

  1. 2 - 112: Not supported
  2. 113: Not supported
  3. 114 - 115: Not supported

Opera

  1. 9 - 98: Not supported
  2. 99: Not supported

IE

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

Chrome for Android

  1. 113: Not supported

Safari on iOS

  1. 3.2 - 13.3: Not supported
  2. 13.4 - 16.4: Supported
  3. 16.5: Supported

Samsung Internet

  1. 4 - 20: Not supported
  2. 21: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Not supported

UC Browser for Android

  1. 13.4: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 113: Not supported

Firefox for Android

  1. 113: Not supported

QQ Browser

  1. 13.1: Not supported

Baidu Browser

  1. 13.18: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
Chromium support bug
ui-serif Firefox support bug
ui-sans-serif Firefox support bug
ui-monospace Firefox support bug
ui-rounded Firefox support bug
WebKit Safari 13.1 announcement