What's New in Firefox 146

Your Firefox has been updated.
What’s New | Firefox 146

Take a look back at this year in Firefox

More flow. More speed. More choice. More control. Discover how Firefox keeps getting better for you.

End the year inspired.
Start the next empowered.

Mozilla Foundation

Donate to Mozilla Foundation, the non-profit behind Firefox

You chose Firefox because you believe the Internet should serve people, not power. Let’s take it further.

You can help make good on the promise of the Internet. Make an end-of-year donation to Mozilla Foundation by Dec 31 to support people-first tech.

A laptop displaying the Firefox logo on its screen, with three illustrated hands pointing toward it against a warm yellow-to-orange gradient background with a grid pattern.

Join the people improving Firefox every day

Your feedback has influenced every major release this year.

Continue shaping the future by sharing ideas, voting on features, and connecting with fellow builders of a better web.

An illustration of a smartphone with an orange screen and a blue label reading “Perplexity” across it. To the right of the phone is a large black-and-white QR code on a white square background.

Perplexity is now in
Firefox Mobile

Select Perplexity in the search bar and get clear, reliable answers directly in Firefox. There when you need it, gone when you don't.

Scan the QR code to download Firefox Mobile.

An illustration of a Firefox browser window with a dropdown menu showing three options: “Current Window,” “AI Window,” and “Private Window.” A cursor is selecting the “AI Window” option. The background features a dark, star-filled grid pattern with subtle

Help shape the future
of AI in Firefox

As AI becomes a larger part of the web, we see a clear opportunity with AI Window to provide a fully opt in experience, offer features that support choice and provide more transparency around how your data is used.

See Full Release Notes

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