• New May 21, 2026

  Mozilla and Adafruit bring Web Serial workflows to Firefox

  Launching Web Serial in Firefox 151 The web is built by communities, but not all communities use the web the same way.  That philosophy shaped part of this week’s Firefox 151 release, which in...

• New May 21, 2026

  Designing Firefox for the future

  Crafted with care. Built for speed. Ready for what’s next. A great browser is so intuitive that you often forget you’re using it. Yet today the internet is changing faster than ever, and your br...

• New May 19, 2026

  A free VPN you can trust, now built into Firefox

  Update on May 19, 2026: Firefox’s free built-in VPN now supports location selection, giving people access to a fully comprehensive VPN experience directly within the browser. Starting today, Fi...

• New May 19, 2026

  New in Firefox 151: VPN location selection, AI controls on mobile, and expanded Shake to Summarize support

  Today, Firefox is rolling out updates across desktop and mobile that give you more choice over how you browse. Here’s a look at what’s new. Adding location selection to Firefox’s free VPN Firefox no...

• New May 19, 2026

  AI controls are here for Firefox mobile

  Mobile browsing is personal. It’s the link you open from a group chat because someone said, “Wait, is this real?” It’s the article you read in the few quiet minutes you have to yourself. It’s the re...

• New May 19, 2026

  Firefox’s Shake to Summarize expands to Android and new languages on iOS

  Don’t let bloated websites slow you down. When you just need the gist, scrolling through ads and filler content can turn a quick check into an endless scroll. Firefox’s Shake to Summarize feature so...

• New Apr 30, 2026

  Welcoming Abigail Besdin, Mozilla’s new Chief Operating Officer

  We’re delighted that Abigail Besdin has joined Mozilla as our new Chief Operating Officer. This is an incredibly exciting time for Mozilla. Our focus is to become the world’s most trusted software co...

• New Apr 21, 2026

  What’s new in Firefox mobile: Less clutter, more control and a free built-in VPN

  Mobile browsing hasn’t kept up with how people actually use their phones. Right now, even basic tasks can feel harder than they should. Finding what you need can mean scrolling through ads and fi...

• New Apr 21, 2026

  The zero-days are numbered

  Since February, the Firefox team has been working around the clock using frontier AI models to find and fix latent security vulnerabilities in the browser. We wrote previously about our co...

• New Apr 9, 2026

  Old habits die hard: Microsoft tries to limit our options, this time with AI

  Microsoft recently announced it’s pulling back Copilot from several of its core Windows apps — Photos, Notepad, the Snipping Tool, and Widgets. Rolling back these forced AI integrations is th...

• New Apr 9, 2026

  0DIN is open-sourcing AI security and the hard-earned knowledge behind it

  We’re launching across the developer and security community this week on Product Hunt and Hacker News. If you’ve been following AI security, we’d love your support and your fe...

• New Mar 26, 2026

  Mozilla and Mila announce strategic research partnership to advance open source and sovereign AI capabilities

  The future of AI should belong to all of humanity, well beyond a handful of countries or companies. For that to happen, AI needs to be open, trusted, and built in ways that give people, in...

• New Mar 23, 2026

  Try Tab Notes in Firefox to leave a note on any page

  Don’t remember why you have all those webpages open? Now you can leave yourself a note for any tab. Tab Notes — our latest experimental feature in Firefox — are designed to help you remember, re...

• New Mar 23, 2026

  Split View in Firefox: Two tabs side by side, right where you need them

  Much of what we do on the web involves looking at more than one thing at a time – booking tickets while checking your calendar, taking notes as you go through a report, or comparing options before ma...

• New Mar 17, 2026

  More reasons to love Firefox: What’s new now, and what’s coming soon

  Firefox is for people who make their own choices online, from what stays private to the tools that help get things done. That commitment to choice shows up throughout the Firefox experience, and AI co...

• New Mar 17, 2026

  Meet Kit, your companion for a new internet era

  The web shouldn’t feel like it’s working against you. Yet so much of it now is designed to pull you off course: endless feeds, pop-up windows and content that looks credible until it isn’t. Staying fo...

• New Mar 12, 2026

  Under the hood: The AI powering Firefox’s Shake to Summarize

  We recently released a feature in the Firefox iOS mobile app called “Shake to Summarize”. The reception was remarkably positive, earning an honorable mention on Time Magazine’s best inventions of 20...

• New Mar 12, 2026

  The web should remain anonymous by default

  The unique architecture of the web enables a much higher degree of user privacy than exists on other platforms. Many factors contribute to this, but an essential one is that you don’t need to log in...

• New Mar 6, 2026

  Hardening Firefox with Anthropic’s Red Team

  For more than two decades, Firefox has been one of the most scrutinized and security-hardened codebases on the web. Open source means our code is visible, reviewable, and continuously stress-tested by...

• New Mar 5, 2026

  Ajit Varma on Firefox’s new AI controls: ‘We believe in user choice’

  This is an edited transcript of an episode of Outside the Fox, Firefox’s flagship podcast, where we explore what’s happening online and why it matters. Stay up to date by subscribing on Yo...

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