Can I use
?

initial-letter

Edge

  1. ❌ 12 - 109: Not supported
  2. ✅ 110 - 151: Supported
  3. ✅ 152: Supported

Firefox

  1. ❌ 2 - 154: Not supported
  2. ❌ 155: Not supported
  3. ❌ 156 - 158: Not supported

Chrome

  1. ❌ 4 - 109: Not supported
  2. ✅ 110 - 151: Supported
  3. ✅ 152: Supported
  4. ✅ 153 - 155: Supported

Safari

  1. ❌ 3.1 - 26.5: Not supported
  2. ❌ 26.6: Not supported
  3. ❌ 27 - TP: Not supported

Opera

  1. ﹖ 10 - 12.1: Support unknown
  2. ❌ 15 - 95: Not supported
  3. ✅ 96 - 134: Supported
  4. ✅ 135: Supported

Safari on iOS

  1. ❌ 3.2 - 26.5: Not supported
  2. ❌ 26.6: Not supported

Android Browser

  1. ﹖ 2.1 - 4.4.4: Support unknown
  2. ✅ 152: Supported

Opera Mobile

  1. ﹖ 12 - 12.1: Support unknown
  2. ✅ 80: Supported

Chrome for Android

  1. ✅ 152: Supported

Firefox for Android

  1. ❌ 155: Not supported

UC Browser for Android

  1. ❌ 15.5: Not supported

Samsung Internet

  1. ❌ 4 - 20: Not supported
  2. ✅ 21 - 29: Supported
  3. ✅ 30: Supported

QQ Browser

  1. ❌ 14.9: Not supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported