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 - 105: Not supported
  3. 106: Not supported
  4. 107 - 109: Not supported

Edge

  1. 12 - 105: Not supported
  2. 106: Not supported

Safari

  1. 3.1 - 3.2: Not supported
  2. 4 - 6: Not supported
  3. 6.1 - 9: Not supported
  4. 9.1 - 15.6: Supported
  5. 16.0: Supported
  6. 16.1 - TP: Supported

Firefox

  1. 2 - 3.6: Not supported
  2. 4 - 23: Not supported
  3. 24 - 33: Disabled by default
  4. 34 - 104: Supported
  5. 105: Supported
  6. 106 - 107: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 90: Not supported
  3. 91: Not supported

IE

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

Chrome for Android

  1. 106: Not supported

Safari on iOS

  1. 3.2: Not supported
  2. 4 - 6.1: Not supported
  3. 7 - 9.2: Not supported
  4. 9.3 - 15.6: Supported
  5. 16.0: Supported
  6. 16.1: Supported

Samsung Internet

  1. 4 - 17.0: Not supported
  2. 18.0: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Not supported

UC Browser for Android

  1. 13.4: Not supported

Android Browser

  1. 2.1 - 4.3: Not supported
  2. 4.4 - 4.4.4: Not supported
  3. 106: Not supported

Firefox for Android

  1. 105: Supported

QQ Browser

  1. 13.1: Not supported

Baidu Browser

  1. 13.18: Not supported

KaiOS Browser

  1. 2.5: Supported
Resources:
MDN Web Docs - font-variant-alternates