# Safari Technology Preview 175 Release Notes Learn about the latest web technology updates in Safari Technology Preview: Accessibility, CSS, Media, Web API, and Web Inspector. ## Overview [Safari Technology Preview](https://webkit.org/blog/6017/introducing-safari-technology-preview/) Release 175 is now [available for download](https://developer.apple.com/safari/resources/) for macOS Sonoma beta and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes WebKit changes between: [265694@main…266088@main](https://github.com/WebKit/WebKit/compare/462aff8197a6a242af245a355cdd5a4fcb2245bf...3ae98fa2c02b272e3e55c4e0c324d01da17cb5dc). ### Accessibility - Fixed some content on web pages not displaying on braille displays ([265957@main](https://commits.webkit.org/265957@main)) ### CSS - Changed to allow an empty `font-family` name in `@font-face` and `@font-palette-values` ([265997@main](https://commits.webkit.org/265997@main)) - Fixed `-webkit-box-decoration-break: clone` with left and right padding causes unexpected wrapping of inline content ([266051@main](https://commits.webkit.org/266051@main)) - Fixed serializing CSS math function root nodes ([265892@main](https://commits.webkit.org/265892@main), [265879@main](https://commits.webkit.org/265879@main), [265886@main](https://commits.webkit.org/265886@main), [265885@main](https://commits.webkit.org/265885@main), [265881@main](https://commits.webkit.org/265881@main)) - Fixed result of `tan()` in degenerate cases ([265881@main](https://commits.webkit.org/265881@main)) - Fixed `min()` and `max()` with one argument to always collapse to `calc()` ([265893@main](https://commits.webkit.org/265893@main)) - Fixed `NaN` numeric representation to be `0` not `Infinity` ([265891@main](https://commits.webkit.org/265891@main)) - Fixed `@font-face { src: format() }` to parse valid unsupported keywords ([266043@main](https://commits.webkit.org/266043@main)) - Fixed `@font-face { src: tech() }` to parse valid unsupported keywords ([265999@main](https://commits.webkit.org/265999@main)) - Fixed `font-tech()` to not validate the descriptor for any invalid item ([266032@main](https://commits.webkit.org/266032@main)) - Fixed animation using `padding-block` or `padding-inline` not overriding the set padding style ([265956@main](https://commits.webkit.org/265956@main)) ### Editing - Fixed an issue when breaking out of an empty list item in case of nested lists ([265747@main](https://commits.webkit.org/265747@main)) ### Media - Added WebCodecs HEVC support ([266044@main](https://commits.webkit.org/266044@main)) - Fixed `enumerateDevices` to not include devices that can not be used ([265947@main](https://commits.webkit.org/265947@main), [265923@main](https://commits.webkit.org/265923@main)) - Fixed VideoFrame buffer constructor not respecting the `codedWidth` if `visibleRect` is present ([265844@main](https://commits.webkit.org/265844@main)) ### Web API - Added support for `priority` to CSS Highlight API ([265812@main](https://commits.webkit.org/265812@main)) - Aligned `