---
title: Safari Technology Preview 96 Release Notes
framework: safari-technology-preview-release-notes
role: article
role_heading: Article
path: safari-technology-preview-release-notes/stp-release-96
---

# Safari Technology Preview 96 Release Notes

Preview the latest web technology updates including: Web Animations, WebAuthN, SVG, Web API, CSS, Clipboard API, CSS Shadow Parts, JavaScript, Picture-in-Picture API, Media, Service Worker, Back-Forward Cache, Web Inspector, and WebDriver.

## Overview

Overview Safari Technology Preview Release 96 is now available for download for macOS Catalina and macOS Mojave. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS. This release covers WebKit revisions 251210-251627. Web Animations Enabled the Web Animations JavaScript API by default (r251237) WebAuthN Implemented AuthenticatorCancel (r251295) SVG Added auto behavior to the width and height properties of the SVG <image> element (r251378) Added bounding-box keyword to pointer-events (r251444) Fixed SVGElement to conform with SVG2 (r251499) Loaded event must be fired only for the SVG structurally external elements and the outermost SVG element (r251290) Removed the viewTarget property of SVGViewElement (r251461) Web API Added strictness to request’s Content-Type (r251490) Changed XMLHttpRequest.responseXML url to be the HTTP response URL (r251542) Changed String.prototype.matchAll to throw on non-global regex (r251483) Fixed a bad is array assertion JSON.parse (r251394) Fixed setting border-radius on <video> element clipping the top and left sections of the video (r251385) Ignored document.open or document.write after the active parser has been aborted (r251506) Made requestIdleCallback suspendable (r251258) CSS Added content-box and stroke-box to the transform-box property (r251252) Added support for gradients using stops with multiple positions (r251474) Fixed a crash when parsing gradients with multi-position color stops (r251437) Clipboard API Implemented ClipboardItem.getType() (r251377) Implemented navigator.clipboard.read() (r251279) CSS Shadow Parts Changed :part rules to be able to override the style attribute (r251285) JavaScript Removed wasmAwareLexicalGlobalObject (r251529) Picture-in-Picture API Implemented EnterPictureInPictureEvent support (r251530) Added runtime logging for the Picture-in-Picture API (r251458) Media Added support for callbacks for manifest events (r251626) Service Worker Fixed MP4 video element broken with Service Worker (r251594) Back-Forward Cache Prevented putting pages that have not reached the non-visually empty layout milestone into the back-forward cache (r251275) Fixed Notification to not prevent entering the back-forward cache (r251528) Fixed AudioContext to not prevent entering the back-forward cache (r251537) Fixed FetchResponse to not prevent entering the back-forward cache (r251545) Fixed XMLHttpRequest to not prevent entering the back-forward cache (r251366) Web Inspector Elements Added clickable icons for each CSS rule that distinguish the rule’s type (r251624) Fixed $0 being shown for the wrong node when selecting elements in a user agent shadow tree (r251302) Fixed the selection color dimmed when inside a shadow tree (r251254) Replaced color wheel with square HSB color picker (r251487) Sources Fixed the content of the function definition popover sometimes getting cut off (r251446) Changed the function/object preview popover to keep the name sticky to the top (r251466) Provided a way to inject “bootstrap” JavaScript into the page as the first script executed (r251531) WebDriver Fixed the Element Click endpoint triggering a click at an incorrect y-coordinate (r251948)

## See Also

### 2019

- [Safari Technology Preview 97 Release Notes](safari-technology-preview-release-notes/stp-release-97.md)
- [Safari Technology Preview 95 Release Notes](safari-technology-preview-release-notes/stp-release-95.md)
- [Safari Technology Preview 94 Release Notes](safari-technology-preview-release-notes/stp-release-94.md)
- [Safari Technology Preview 93 Release Notes](safari-technology-preview-release-notes/stp-release-93.md)
- [Safari Technology Preview 92 Release Notes](safari-technology-preview-release-notes/stp-release-92.md)
- [Safari Technology Preview 91 Release Notes](safari-technology-preview-release-notes/stp-release-91.md)
- [Safari Technology Preview 90 Release Notes](safari-technology-preview-release-notes/stp-release-90.md)
- [Safari Technology Preview 89 Release Notes](safari-technology-preview-release-notes/stp-release-89.md)
- [Safari Technology Preview 88 Release Notes](safari-technology-preview-release-notes/stp-release-88.md)
- [Safari Technology Preview 87 Release Notes](safari-technology-preview-release-notes/stp-release-87.md)
- [Safari Technology Preview 86 Release Notes](safari-technology-preview-release-notes/stp-release-86.md)
- [Safari Technology Preview 85 Release Notes](safari-technology-preview-release-notes/stp-release-85.md)
- [Safari Technology Preview 84 Release Notes](safari-technology-preview-release-notes/stp-release-84.md)
- [Safari Technology Preview 83 Release Notes](safari-technology-preview-release-notes/stp-release-83.md)
- [Safari Technology Preview 82 Release Notes](safari-technology-preview-release-notes/stp-release-82.md)