CSS3 word-break

- WD

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

IE

  1. 5.5 - 10
  2. 11

Edge

  1. 12 - 81
  2. 83

Firefox

  1. 2 - 14
  2. 15 - 75
  3. 76
  4. 77 - 78

Chrome

  1. 4 - 43
  2. 44 - 81
  3. 83
  4. 84 - 86

Safari

  1. 3.1 - 8
  2. 9 - 13
  3. 13.1
  4. TP

Opera

  1. 9 - 12.1
  2. 15 - 30
  3. 31 - 67
  4. 68

iOS Safari

  1. 3.2 - 8.4
  2. 9 - 13.3
  3. 13.4

Opera Mini

  1. all

Android Browser

  1. 2.1 - 4.4.4
  2. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10 - 12.1
  2. 46

Chrome for Android

  1. 81

Firefox for Android

  1. 68

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4 - 10.1
  2. 11.1

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5

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