CSS & layoutThe Interop 2027 CSS shortlist reads like a list of hacks you get to delete
Josh W. Comeau has published his ten CSS picks for Interop 2027, from @function and corner-shape to gap decorations and scroll-state queries. The support tables in his post, current as of October 2026, mark nine of them as supported in Chrome 155 and Edge 154 but not in Firefox 157 or Safari 27, and he argues several already work as progressive enhancements.