High-quality kerning pairs & ligatures

- UNOFF

When used in HTML, the unofficial text-rendering: optimizeLegibility CSS property enables high-quality kerning and ligatures in certain browsers. Newer browsers have this behavior enabled by default.

Chrome

  1. 4 - 107: Supported
  2. 108: Supported
  3. 109 - 111: Supported

Edge

  1. 12 - 17: Not supported
  2. 18 - 106: Supported
  3. 107: Supported

Safari

  1. 3.1 - 4: Not supported
  2. 5 - 16.0: Supported
  3. 16.1: Supported
  4. 16.2 - TP: Supported

Firefox

  1. 2: Not supported
  2. 3 - 106: Supported
  3. 107: Supported
  4. 108 - 109: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 91: Supported
  3. 92: Supported

IE

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

Chrome for Android

  1. 107: Supported

Safari on iOS

  1. 3.2 - 4.1: Support unknown
  2. 4.2 - 16.0: Supported
  3. 16.1: Supported

Samsung Internet

  1. 4 - 18.0: Supported
  2. 19.0: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 72: Supported

UC Browser for Android

  1. 13.4: Supported

Android Browser

  1. 2.1 - 2.3: Not supported
  2. 3 - 4.3: Partial support
  3. 4.4 - 4.4.4: Supported
  4. 107: Supported

Firefox for Android

  1. 106: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Supported

The text-rendering property is specified in SVG, though behavior there is not related to kerning pairs & ligatures.

Resources:
CSS Tricks article
MDN Web Docs - CSS text-rendering