CSS selector: `:valid`

IE

  1. 6 - 9: Not supported
  2. 10: Supported
  3. 11: Supported

Edge

  1. 12 - 106: Supported
  2. 107: Supported

Firefox

  1. 2 - 3.6: Not supported
  2. 4 - 106: Supported
  3. 107: Supported
  4. 108 - 109: Supported

Chrome

  1. 4 - 9: Not supported
  2. 10 - 107: Supported
  3. 108: Supported
  4. 109 - 111: Supported

Safari

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

Opera

  1. 10 - 91: Supported
  2. 92: Supported

Safari on iOS

  1. 3.2 - 4.3: Not supported
  2. 5 - 16.0: Supported
  3. 16.1: Supported

Opera Mini

  1. all: Support unknown

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 107: Supported

Opera Mobile

  1. 12 - 12.1: Supported
  2. 72: Supported

Chrome for Android

  1. 107: Supported

Firefox for Android

  1. 106: Supported

UC Browser for Android

  1. 13.4: Support unknown

Samsung Internet

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

QQ Browser

  1. 13.1: Support unknown

Baidu Browser

  1. 13.18: Support unknown

KaiOS Browser

  1. 2.5: Support unknown