Discover some of the interesting features that have landed in stable and beta web browsers during March 2026.

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Chrome 146, Firefox 149, and Safari 26.4 shipped in March 2026 with notable new web platform features. Highlights include scroll-triggered animations and the trigger-scope property in Chrome 146, optional container query conditions (name-only @container) in Firefox 149 and Safari 26.4, the popover hint value in Firefox 149, grid-lanes masonry layout in Safari 26.4, math functions in the img sizes attribute, JavaScript Iterator.concat() sequencing, and the CloseWatcher interface in Firefox 149. Beta releases Chrome 147 and Firefox 150 preview contrast-color(), border-shape, element-scoped view transitions, revert-rule, and more.

New to the web platform in March

<p>Cool looks like some good stuff coming down the line.</p>
