--- title: Safari Technology Preview 210 Release Notes framework: safari-technology-preview-release-notes role: article role_heading: Article path: safari-technology-preview-release-notes/stp-release-210 --- # Safari Technology Preview 210 Release Notes Learn about the latest web technology updates in Safari Technology Preview: CSS, DOM, JavaScript, Rendering, Web Animations, Web API, Web Extensions, and Web Inspector. ## Overview Overview Safari Technology Preview Release 210 is now available for download for macOS Sequoia and macOS Sonoma. 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: 286708@main…287517@main. CSS New Features Added support for the text-autospace property. (286750@main) (140008990) Resolved Issues Fixed updating the base background color where the root has color set explicitly when switching to light or dark modes. (286833@main) (139917332) Fixed performance of querySelectorAll() with :has() descendant selectors. (286908@main) (140093151) Fixed the unicode-bidi default for the element. (287175@main) (140662417) DOM New Features Added support for the ::details-content pseudo-element. (286891@main) (129786929) JavaScript Resolved Issues Fixed: Updated Intl.DurationFormat to not include grouping for 2-digit or numeric styles. (287393@main) (140962232) Fixed Intl.PluralRules pluralCategories to follow a specific order. (287411@main) (140965181) Rendering New Features Implemented
and disclosure triangle as a list item. (286869@main) (95148788) Resolved Issues Fixed outside list-style-position quirk to only be applicable in quirks mode. (287114@main) (140602985) Web Animations New Features Added preview support for Scroll-driven Animations. (287062@main) (140532929) Web API Resolved Issues Fixed Navigation.navigate() to trigger the beforeunload event synchronously. (286919@main) (139628818) Fixed innerText behavior for
and . (286799@main) (140172890) Web Extensions New Features Added support for documentId in webNavigation. (287408@main) (137532909) Web Inspector New Features Added support for sending Android user agents using the device override menu when Web Inspector is connected to a remote device. (287092@main) (139305520) Resolved Issues Fixed the overview icon to be inverted dark mode in the Graphics tab. (287110@main) (140602803) Fixed recorded WebGL objects not getting highlighted correctly in the Graphics tab. (287127@main) (140625113) ## See Also ### 2024 - [Safari Technology Preview 209 Release Notes](safari-technology-preview-release-notes/stp-release-209.md) - [Safari Technology Preview 208 Release Notes](safari-technology-preview-release-notes/stp-release-208.md) - [Safari Technology Preview 207 Release Notes](safari-technology-preview-release-notes/stp-release-207.md) - [Safari Technology Preview 206 Release Notes](safari-technology-preview-release-notes/stp-release-206.md) - [Safari Technology Preview 205 Release Notes](safari-technology-preview-release-notes/stp-release-205.md) - [Safari Technology Preview 204 Release Notes](safari-technology-preview-release-notes/stp-release-204.md) - [Safari Technology Preview 203 Release Notes](safari-technology-preview-release-notes/stp-release-203.md) - [Safari Technology Preview 202 Release Notes](safari-technology-preview-release-notes/stp-release-202.md) - [Safari Technology Preview 201 Release Notes](safari-technology-preview-release-notes/stp-release-201.md) - [Safari Technology Preview 200 Release Notes](safari-technology-preview-release-notes/stp-release-200.md) - [Safari Technology Preview 199 Release Notes](safari-technology-preview-release-notes/stp-release-199.md) - [Safari Technology Preview 198 Release Notes](safari-technology-preview-release-notes/stp-release-198.md) - [Safari Technology Preview 197 Release Notes](safari-technology-preview-release-notes/stp-release-197.md) - [Safari Technology Preview 196 Release Notes](safari-technology-preview-release-notes/stp-release-196.md) - [Safari Technology Preview 195 Release Notes](safari-technology-preview-release-notes/stp-release-195.md)