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Firefox for Web Developers
@webdevs.firefox.com

Firefox 158 landed today! For web devs: 🎉 JPEG XL support, including full progressive rendering. 🎉 'navigate' on notifications, so they can go to a URL without firing events. 🎉 WebGPU's float32-blendable 🎉 WebGL's EXT_polygon_offset_clamp And more! developer.mozilla.org/en-US/docs/M...

developer.mozilla.orgFirefox 158 release notes for developers (Stable) - Mozilla | MDNThis article provides information about the changes in Firefox 158 that affect developers. Firefox 158 was released on October 13, 2026.

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