CSS3 word-break

- CR

Property to prevent or allow words to be broken over multiple lines between letters.

Chrome

  1. 4 - 43: Partial support
  2. 44 - 124: Supported
  3. 125: Supported
  4. 126 - 128: Supported

Edge

  1. 12 - 124: Supported
  2. 125: Supported

Safari

  1. 3.1 - 8: Partial support
  2. 9 - 17.4: Supported
  3. 17.5: Supported
  4. 17.6 - TP: Supported

Firefox

  1. 2 - 14: Not supported
  2. 15 - 125: Supported
  3. 126: Supported
  4. 127 - 129: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 30: Partial support
  3. 31 - 108: Supported
  4. 109: Supported

IE

  1. 5.5 - 10: Supported
  2. 11: Supported

Chrome for Android

  1. 125: Supported

Safari on iOS

  1. 3.2 - 8.4: Partial support
  2. 9 - 17.4: Supported
  3. 17.5: Supported
  4. 17.6: Supported

Samsung Internet

  1. 4 - 23: Supported
  2. 24: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Partial support
  2. 125: Supported

Firefox for Android

  1. 126: Supported

QQ Browser

  1. 14.9: Supported

Baidu Browser

  1. 13.52: Supported

KaiOS Browser

  1. 2.5: Supported
  2. 3: Supported

Partial support refers to supporting the break-all value, but not the keep-all value.

Chrome, Safari and other WebKit/Blink browsers also support the unofficial break-word value which is treated like word-wrap: break-word.

Resources:
MDN Web Docs - CSS word-break
WebPlatform Docs