#calc-mix
Tagged “calc-mix”
2 articlesBrowser releases
Safari Technology Preview 249 drops attr(), if(), @function, popover=hint and Temporal in one build
WebKit's July 29 preview stacks nine CSS additions, a new HTML popover value, the dialog closedby attribute, and the JavaScript Temporal object into a single release — one of the feature-densest STP drops of the year for hand-authored HTML and CSS.
Jul 30, 2026 · Dex HalloranBrowser releasesSafari Technology Preview 247 lands calc-mix() and clears a scatter of small fixes
WebKit's July 1 preview build adds CSS calc-mix() under its New Features list, plus HTML spec-alignment repairs for align="center" and rel=preload as="json", two VoiceOver-facing accessibility fixes, and a MathML change for underover layout.
Jul 2, 2026 · Yuki Tanaka