Chrome 142 and Firefox 144 released in October 2025 with significant web platform updates. Firefox 144 adds same-document view transitions (making them Baseline Newly available), command/commandfor attributes, and moveBefore() method. Chrome 142 introduces :target-before/:target-after pseudo-classes, range syntax for style container queries, and interestfor attribute for interest invokers. Beta releases include Firefox 145 with ToggleEvent.source and Atomics.waitAsync(), and Chrome 143 with CSS anchored fallback container queries.
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