CSS font-rendering controls

- WD

@font-face descriptor (currently defined as font-display) that allows control over how a downloadable font renders before it is fully loaded.

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79: Supported
  3. 80: Supported

Firefox

  1. 2 - 45: Not supported
  2. 46 - 57: Disabled by default
  3. 58 - 71: Supported
  4. 72: Supported
  5. 73 - 74: Supported

Chrome

  1. 4 - 48: Not supported
  2. 49 - 59: Disabled by default
  3. 60 - 79: Supported
  4. 80: Supported
  5. 81 - 83: Supported

Safari

  1. 3.1 - 11: Not supported
  2. 11.1 - 12.1: Supported
  3. 13: Supported
  4. TP: Supported

Opera

  1. 9 - 35: Not supported
  2. 36 - 46: Disabled by default
  3. 47 - 65: Supported
  4. 66: Supported

iOS Safari

  1. 3.2 - 11.2: Not supported
  2. 11.3 - 13.1: Supported
  3. 13.2: Supported
  4. 13.3: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 76: Not supported

Blackberry Browser

  1. 7: Not supported
  2. 10: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 46: Disabled by default

Chrome for Android

  1. 79: 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: Not supported
  2. 5 - 7.4: Disabled by default
  3. 8.2 - 9.2: Supported
  4. 10.1: Supported

QQ Browser

  1. 1.2: Disabled by default

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Disabled by default
Resources:
CSS tricks article
MDN Web Docs - font-display
Google Developers article
Microsoft Edge feature request on UserVoice