coderef

font-language-overrideLimited availability

The font-language-override CSS property sets which language-specific glyphs are displayed.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
1–142Not supported
143+Supportedsince Dec 2, 2025
Current: 155
Edge
12–142Not supported
143+Supportedsince Dec 5, 2025
Current: 154
Firefox
1–33Not supported
34+Supportedsince Dec 1, 2014
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
18–142Not supported
143+Supportedsince Dec 2, 2025
Current: 155
Firefox Android
4–33Not supported
34+Supportedsince Dec 1, 2014
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Safari, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN: font-language-override.

Feature detection

CSS · check before using
@supports (font-language-override: initial) {
  /* styles that rely on font-language-override */
}

/* or in JavaScript */
if (CSS.supports("font-language-override", "initial")) {
  // use it
}