CSS background-attachment

- CR

Method of defining how a background image is attached to a scrollable element. Values include scroll (default), fixed and local.

Chrome

  1. 4 - 125: Supported
  2. 126: Supported
  3. 127 - 129: Supported

Edge

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

Safari

  1. 3.1 - 4: Partial support
  2. 5 - 12.1: Supported
  3. 13 - 13.1: Partial support
  4. 14 - 15.3: Not supported
  5. 15.4 - 17.4: Supported
  6. 17.5: Supported
  7. 17.6 - TP: Supported

Firefox

  1. 2 - 24: Partial support
  2. 25 - 126: Supported
  3. 127: Supported
  4. 128 - 130: Supported

Opera

  1. 9 - 10.1: Partial support
  2. 10.5 - 109: Supported
  3. 110: Supported

IE

  1. 5.5 - 8: Partial support
  2. 9 - 10: Supported
  3. 11: Supported

Chrome for Android

  1. 125: Supported

Safari on iOS

  1. 3.2 - 4.3: Not supported
  2. 5 - 12.5: Partial support
  3. 13 - 17.4: Not supported
  4. 17.5: Not supported
  5. 17.6 - 18.0: Not supported

Samsung Internet

  1. 4: Not supported
  2. 5 - 24: Partial support
  3. 25: Partial support

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10: Partial support
  2. 11 - 12.1: Supported
  3. 80: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4: Not supported
  2. 4.1 - 4.3: Partial support
  3. 4.4 - 4.4.4: Not supported
  4. 125: Not 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

Most mobile devices have a delay in updating the background position after scrolling a page with fixed backgrounds.

Resources:
MDN Web Docs - background-attachment