CSS3 word-break

- WD

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

IE

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

Edge

  1. 12 - 79: Supported
  2. 80: Supported

Firefox

  1. 2 - 14: Not supported
  2. 15 - 72: Supported
  3. 73: Supported
  4. 74 - 75: Supported

Chrome

  1. 4 - 43: Partial support
  2. 44 - 79: Supported
  3. 80: Supported
  4. 81 - 83: Supported

Safari

  1. 3.1 - 8: Partial support
  2. 9 - 12.1: Supported
  3. 13: Supported
  4. TP: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 30: Partial support
  3. 31 - 65: Supported
  4. 66: Supported

iOS Safari

  1. 3.2 - 8.4: Partial support
  2. 9 - 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: Partial support
  2. 80: Supported

Blackberry Browser

  1. 7: Partial support
  2. 10: Partial support

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 46: Partial support

Chrome for Android

  1. 80: Supported

Firefox for Android

  1. 68: Supported

IE Mobile

  1. 10: Supported
  2. 11: Supported

UC Browser for Android

  1. 12.12: Partial support

Samsung Internet

  1. 4 - 9.2: Supported
  2. 10.1: Supported

QQ Browser

  1. 1.2: Partial support

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: 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