CSS font-variant-alternates

- WD

Controls the usage of alternate glyphs associated to alternative names defined in @font-feature-values for certain types of OpenType fonts.

Chrome

  1. 4 - 15: Not supported
  2. 16 - 110: Not supported
  3. 111 - 124: Supported
  4. 125: Supported
  5. 126 - 128: Supported

Edge

  1. 12 - 110: Not supported
  2. 111 - 124: Supported
  3. 125: Supported

Safari

  1. 3.1 - 3.2: Not supported
  2. 4 - 6: Not supported
  3. 6.1 - 9: Not supported
  4. 9.1 - 17.4: Supported
  5. 17.5: Supported
  6. 17.6 - TP: Supported

Firefox

  1. 2 - 3.6: Not supported
  2. 4 - 23: Not supported
  3. 24 - 33: Disabled by default
  4. 34 - 125: Supported
  5. 126: Supported
  6. 127 - 129: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 97: Not supported
  3. 98 - 108: Supported
  4. 109: Supported

IE

  1. 5.5 - 9: Not supported
  2. 10: Not supported
  3. 11: Not supported

Chrome for Android

  1. 124: Supported

Safari on iOS

  1. 3.2: Not supported
  2. 4 - 6.1: Not supported
  3. 7 - 9.2: Not supported
  4. 9.3 - 17.4: Supported
  5. 17.5: Supported
  6. 17.6: Supported

Samsung Internet

  1. 4 - 21: Not supported
  2. 22 - 23: Supported
  3. 24: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Supported

UC Browser for Android

  1. 15.5: Not supported

Android Browser

  1. 2.1 - 4.3: Not supported
  2. 4.4 - 4.4.4: Not supported
  3. 124: Supported

Firefox for Android

  1. 125: Supported

QQ Browser

  1. 14.9: Not supported

Baidu Browser

  1. 13.52: Not supported

KaiOS Browser

  1. 2.5: Supported
  2. 3: Supported
Resources:
Chromium support bug
MDN Web Docs - font-variant-alternates