Tracking the state of support for CSS features within and across the shadow DOM to provide visibility into feature parity, usage details, and outstanding issues and bugs. 2026-04-02T00:00:00Z http://shadow-dom-css.adobe.com/ Adobe Spectrum Web Engineering 2026-04-02T00:00:00Z http://shadow-dom-css.adobe.com/changelog/2026-04-02 <ul> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/anchor-positioning/">Anchor Positioning</a>:</strong> 🎉 New milestone</li> </ul> 2026-02-13T00:00:00Z http://shadow-dom-css.adobe.com/changelog/2026-02-13 <ul> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/anchor-positioning/">Anchor Positioning</a>:</strong> ✔ 2 improvements</li> </ul> 2026-01-23T00:00:00Z http://shadow-dom-css.adobe.com/changelog/2026-01-23 <ul> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/container-size-queries/">Container Size Queries</a>:</strong> ✔ 5 improvements</li> </ul> 2026-01-16T00:00:00Z http://shadow-dom-css.adobe.com/changelog/2026-01-16 <ul> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/anchor-positioning/">Anchor Positioning</a>:</strong> Began tracking feature</li> </ul> 2026-01-13T00:00:00Z http://shadow-dom-css.adobe.com/changelog/2026-01-13 <ul> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/popover/">Popover</a>:</strong> Began tracking feature</li> </ul> 2025-12-19T00:00:00Z http://shadow-dom-css.adobe.com/changelog/2025-12-19 <ul> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/scope/">Scope</a>:</strong> Began tracking feature</li> </ul> 2025-12-17T00:00:00Z http://shadow-dom-css.adobe.com/changelog/2025-12-17 <ul> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/at-property/">@property</a>:</strong> Began tracking feature</li> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/cascade-layers/">Cascade Layers</a>:</strong> Began tracking feature</li> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/color-scheme/">Color Scheme</a>:</strong> Began tracking feature</li> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/container-size-queries/">Container Size Queries</a>:</strong> Began tracking feature</li> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/has/">Has</a>:</strong> Began tracking feature</li> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/light-dark/">Light Dark</a>:</strong> Began tracking feature</li> <li><strong><a href="http://shadow-dom-css.adobe.com/changelog/nesting/">Nesting</a>:</strong> Began tracking feature</li> </ul>