Apple has released Safari Technology Preview 176, the latest version of their developer preview web browser. The preview version of Apple’s popular browser offers developers and other interested users the ability to try out features that may or may not, debut in future public release versions of Safari.
Safari Technology Preview 176 brings fixes and updates for CSS, Rendering, Accessibility, Media, and Web API.
Safari Technology Preview Release 176 is now available for download 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: 266088@main…266418@main.
- Added support for
linear(...)timing function for CSS animations & transitions (266195@main)
auto nonesupport for
widthattribute set to
- Fixed out-of-flow boxes not showing (266366@main)
- Fixed canvas not showing the results of
Canvasuntil a forced re-render (266397@main)
Rendering Context2D .put Image Data
- Fixed scrollbar not updating on CSS color-scheme change (266176@main)
- Prevented invalidating columns when the entire table is being destroyed (266344@main)
display: contentselements sometimes missing their children (266407@main)
- Fixed incorrect accessible name from multiple
- Fixed unexpected speech synthesis behavior for unordered lists (266383@main)
- Implemented automatic text track selection for
- Fixed RTCRtpSender
maxencoding parameter having no effect (266128@main)
- Fixed updating time stamps on media controls to update while scrubbing the timeline (266339@main)
- Added support for the
titleattribute for pattern validation errors (266311@main)
naturalwith spec, changing from
- Changed to return opaque origin for
blob:URL containing inner non-http(s): URL (266247@main)
embed hiddeninto a proper boolean attribute (266399@main)
Elementto clear the submission value (266126@main)
Internals .set Form Value(<nullish value>)
- Fixed custom highlight logic for checking author and set text color (266117@main)
- Fixed custom highlight text decoration to respect priority (266184@main)
- Fixed emoji characters sometimes getting incorrectly drawn in text style (266089@main)
- Fixed URL pathname and search setter incorrectly stripping trailing spaces (266252@main)
- Handled focusability for plugin elements which have browsing context (266286@main)
mousemoveevents to one per rendering update (266341@main)
While the preview is intended for use by developers and advanced users, in order to provide Apple with feedback on the development of the Safari browser, it can be run side-by-side with the release version of Safari. The app doesn’t require a developer account to download and install. For more information, visit the Safari Technology Preview website.