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Firefox 151.0, See All New Features, Updates and Fixes (opens in new tab)

Covered by 9 sources including PC CHIP, The VergeDiscussed on r/browsers, r/embedded, and r/firefox

Covered in 11 articles

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Firefox’s new home page widgets are helping me focus

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Firefox is working on a rounded redesign with easy-to-find controls for privacy and AI

Firefox Just Saved Us All from Spammy Online PDF Tools

LWN.net featured content

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Firefox 151.0 released

Firefox 151 helps you edit PDFs

Firefox 151 Adds VPN Location Selector, Fresh Start Page and UI Tweaks, and PDF Merging

AnandTech Forums·

Info - Firefox 151.0 release May 19, 2026.

Mozilla Adds Web Serial Support to Firefox 151 With Adafruit Hardware Collaboration

Firefox 151 Launches With VPN Location Selection, Expanded Mobile AI Controls, and Private Browsing Reset

In other languages

Firefox 151 dolazi s novim mogućnostima

Firefox 151 llega con mejoras en la pestaña nueva, en los PDFs y en la navegación privada