Firefox for Web Developers on Mythryl: “Firefox 150 just landed & includes new web platform features like…”

@webdevs.firefox.com

Firefox 150 just landed & includes new web platform features like: 🎉 sizes="auto" on images 🎉 light-dark() image support 🎉 CSS revert-rule 🎉 ariaNotify() 🎉 Media pseudo-classes like :playing None of these are baseline yet, so check MDN for support. developer.mozilla.org/en-US/docs/M...

developer.mozilla.orgFirefox 150 release notes for developers (Stable) - Mozilla | MDNThis article provides information about the changes in Firefox 150 that affect developers. Firefox 150 was released on April 21, 2026.

21/4/26, 11:06 am15 reposts104 likes

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