Tag

#browser-release

Tagged “browser-release”

5 articles

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 Halloran Browser releases

Safari Technology Preview 248 gives progress() a no-clamp option and forwards missing components across analogous color spaces

WebKit's Safari Technology Preview 248 lands two CSS additions worth reading — a no-clamp option on the CSS progress() function and forwarding of missing color components when interpolating between analogous color spaces — plus a pair of accessibility repairs and a small stack of quieter CSS fixes.

Jul 23, 2026 · Iris Calderón Browser releases

Safari 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 Browser releases

Safari Technology Preview 246 widens color, images and attr()

WebKit has shipped Safari Technology Preview 246 with a batch of CSS additions — light-dark() taking image values, image(<color>), alpha(), color-mix() with more than two colors, attr() on pseudo-elements, and preview support for font-variant-emoji and word-break: auto-phrase.

Jun 23, 2026 · Yuki Tanaka Browser releases

Safari 27 beta opens up the form control, scroll, and the cascade

WebKit has detailed the Safari 27 beta: 58 new web-platform features and 525 fixes, including customizable <select>, scroll anchoring, the :heading pseudo-class, and the revert-rule and stretch CSS keywords.

Jun 19, 2026 · Yuki Tanaka