## BCD - Support for the `font-width` property [added in Safari 18.4](https://github.com/mdn/browser-compat-data/blob/main/css/properties/font-width.json#L24) (31.03.2025) - Support for the `font-width` descriptor [added in Safari 26](https://github.com/mdn/browser-compat-data/blob/main/api/CSSFontFaceDescriptors.json#L236) (15.09.2025) It’s a little tricky because it’s a new name for an old property/descriptor. ## MDN - [`font-stretch` property](https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Properties/font-stretch) Marked as deprecated, font-width is mentioned as “not yet supported by any browsers”. - [`font-stretch` descriptor](https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/At-rules/@font-face/font-stretch) Marked as deprecated, font-width is not mentioned. ## Spec - Property: [Font width: the `font-stretch` legacy name alias](https://drafts.csswg.org/css-fonts/#font-stretch-prop) - Descriptor: [Font width: the `font-stretch` legacy name alias](https://drafts.csswg.org/css-fonts/#font-stretch-desc)