CSS font-size-adjust
- RECMethod of adjusting the font size in a matter that relates to the height of lowercase vs. uppercase letters. This makes it easier to set the size of fallback fonts.
Chrome
- 4 - 42: Not supported
- 43 - 119: Disabled by default
- 120 - 122: Disabled by default
- 123: Disabled by default
- 124 - 126: Disabled by default
Edge
- 12 - 18: Not supported
- 79 - 116: Disabled by default
- 117 - 122: Disabled by default
- 123: Disabled by default
Safari
- 3.1 - 16.3: Not supported
- 16.4 - 16.6: Partial support
- 17.0 - 17.3: Supported
- 17.4: Supported
- TP: Supported
Firefox
- 2: Not supported
- 3 - 91: Partial support
- 92 - 117: Partial support
- 118 - 123: Supported
- 124: Supported
- 125 - 127: Supported
Opera
- 9 - 29: Not supported
- 30 - 101: Disabled by default
- 102 - 107: Disabled by default
- 108: Disabled by default
IE
- 5.5 - 10: Not supported
- 11: Not supported
Chrome for Android
- 122: Not supported
Safari on iOS
- 3.2 - 16.3: Not supported
- 16.4 - 16.7: Partial support
- 17.0 - 17.3: Supported
- 17.4: Supported
Samsung Internet
- 4 - 22: Not supported
- 23: Not supported
Opera Mini
- all: Not supported
Opera Mobile
- 10 - 12.1: Not supported
- 80: Not supported
UC Browser for Android
- 15.5: Not supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 122: Not supported
Firefox for Android
- 123: Supported
QQ Browser
- 14.9: Disabled by default
Baidu Browser
- 13.52: Not supported
KaiOS Browser
- 2.5: Not supported
- 3: Partial support