--- title: Safari Technology Preview 215 Release Notes framework: safari-technology-preview-release-notes role: article role_heading: Article path: safari-technology-preview-release-notes/stp-release-215 --- # Safari Technology Preview 215 Release Notes Learn about the latest web technology updates in Safari Technology Preview: CSS, Images, JavaScript, Networking, Scrolling, Text, Web API, and Web Extensions. ## Overview Overview Safari Technology Preview Release 215 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: 290457@main…291467@main. CSS New Features Added support for Scroll Driven Animations. (290471@main) (144887859) Added support for text-wrap-style: pretty. (291092@main) (145577976) Added support for CSS Anchor Positioning. (291214@main) (145681750) JavaScript Resolved Issues Fixed processing of an alternation of strings (290982@main) (145222010) Networking Resolved Issues Fixed using WebSocket in a WebWorker causing the entire Worker to freeze. (290802@main) (145149784) Scrolling Resolved Issues Fixed autoscrolling for smooth scrolling while selecting text. (290497@main) (144900491) Text Resolved Issues Fixed generating scroll to text fragments around text that contains newlines. (290761@main) (137109344) Fixed generating text fragments when the selected text starts and ends in different blocks. (290748@main) (137761701) Fixed Copy Link to Highlight not working when selecting text that is its own block and when that text exists higher up in the document. (290683@main) (144392379) Fixed selections that start or end in white space not creating text fragments. (291146@main) (145614181) Web API New Features Added support for Trusted Types. (291409@main) (130065736) Added support for the File System WritableStream API. (291399@main) (145875384) Resolved Issues Fixed fullscreen to use a single queue for event dispatching. (290898@main) (145372389) Web Extensions Resolved Issues Fixed a bug where requesting access to all URLs wouldn’t do anything. (291225@main) (140010739) Fixed a bug where the runtime.MessageSender origin parameter would be lowercased, differing from the result returned from runtime.getURL. (291118@main) (140291738) Fixed content scripts to prevent multiple injections. (291280@main) (145784559) ## See Also ### 2025 - [Safari Technology Preview 234 Release Notes](safari-technology-preview-release-notes/stp-release-234.md) - [Safari Technology Preview 233 Release Notes](safari-technology-preview-release-notes/stp-release-233.md) - [Safari Technology Preview 232 Release Notes](safari-technology-preview-release-notes/stp-release-232.md) - [Safari Technology Preview 231 Release Notes](safari-technology-preview-release-notes/stp-release-231.md) - [Safari Technology Preview 230 Release Notes](safari-technology-preview-release-notes/stp-release-230.md) - [Safari Technology Preview 229 Release Notes](safari-technology-preview-release-notes/stp-release-229.md) - [Safari Technology Preview 228 Release Notes](safari-technology-preview-release-notes/stp-release-228.md) - [Safari Technology Preview 227 Release Notes](safari-technology-preview-release-notes/stp-release-227.md) - [Safari Technology Preview 226 Release Notes](safari-technology-preview-release-notes/stp-release-226.md) - [Safari Technology Preview 225 Release Notes](safari-technology-preview-release-notes/stp-release-225.md) - [Safari Technology Preview 224 Release Notes](safari-technology-preview-release-notes/stp-release-224.md) - [Safari Technology Preview 223 Release Notes](safari-technology-preview-release-notes/stp-release-223.md) - [Safari Technology Preview 222 Release Notes](safari-technology-preview-release-notes/stp-release-222.md) - [Safari Technology Preview 221 Release Notes](safari-technology-preview-release-notes/stp-release-221.md) - [Safari Technology Preview 220 Release Notes](safari-technology-preview-release-notes/stp-release-220.md)