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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 - 154: Supported
  3. ✅ 155: Supported
  4. ✅ 156 - 158: Supported

Edge

  1. ✅ 12 - 154: Supported
  2. ✅ 155: Supported

Safari

  1. ◐ 3.1 - 8: Partial support
  2. ✅ 9 - 26.6: Supported
  3. ✅ 27: Supported
  4. ✅ 27.1 - TP: Supported

Firefox

  1. ❌ 2 - 14: Not supported
  2. ✅ 15 - 157: Supported
  3. ✅ 158: Supported
  4. ✅ 159 - 161: Supported

Opera

  1. ❌ 9 - 12.1: Not supported
  2. ◐ 15 - 30: Partial support
  3. ✅ 31 - 134: Supported
  4. ✅ 135: Supported

IE

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

Chrome for Android

  1. ✅ 155: Supported

Safari on iOS

  1. ◐ 3.2 - 8.4: Partial support
  2. ✅ 9 - 26.6: Supported
  3. ✅ 27.0: Supported
  4. ✅ 27.1 - 27.2: Supported

Samsung Internet

  1. ✅ 4 - 29: Supported
  2. ✅ 30: 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. ✅ 155: Supported

Firefox for Android

  1. ✅ 158: 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