CSS position:sticky

- WD

Chrome

  1. 117
  2. 118
  3. 119
  4. 120
  5. 121
  6. 122
  7. 123

Edge

  1. 117
  2. 118
  3. 119
  4. 120

Safari

  1. 16.5
  2. 16.6
  3. 17.0
  4. 17.1
  5. 17.2
  6. TP

Firefox

  1. 117
  2. 118
  3. 119
  4. 120
  5. 121
  6. 122
  7. 123

Opera

  1. 101
  2. 102
  3. 103
  4. 104

IE

  1. 8
  2. 9
  3. 10
  4. 11

Chrome for Android

  1. 119

Safari on iOS

  1. 16.5
  2. 16.6-16.7
  3. 17.0
  4. 17.1
  5. 17.2

Samsung Internet

  1. 20
  2. 21
  3. 22
  4. 23

Opera Mini

  1. all

Opera Mobile

  1. 11.5
  2. 12
  3. 12.1
  4. 73

UC Browser for Android

  1. 15.5

Android Browser

  1. 4.2-4.3
  2. 4.4
  3. 4.4.3-4.4.4
  4. 119

Firefox for Android

  1. 119

QQ Browser

  1. 13.1

Baidu Browser

  1. 13.18

KaiOS Browser

  1. 2.5
  2. 3.0-3.1

Any ancestor between the sticky element and its user-scrollable container with overflow computed as anything but visible/clip will effectively prevent sticking behavior.