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What's new in Firefox Beta for Testers 76.0.0-beta.1
Thanks for testing Firefox Preview! In the 76.0.0 Firefox Beta release there are:
5 new addons
PWA
Picture-in-Picture
Media improvements
Support for fullscreen with notches/cutouts
Polish, performance, crash, and bug fixes
About Firefox Beta for Testers 76.0.0-beta.1
Help refine and polish the newest features almost ready for prime time. With Firefox Beta, you get to test the latest performance, customization and security enhancements before they make it to our next version.
Have an impact by helping to put the finishing touches on features and functionality.
**We need your help testing Intel x86 Atom based devices! If you have an Intel x86 Atom based device, download Firefox Beta and tell us what you think.**
Find a bug? Report it at github.com/mozilla-mobile/fenix/issues.
Want to know more about the permissions Firefox requests? mzl.la/Permissions
See our list of supported devices and latest minimum system requirements at www.mozilla.org/en-US/firefox/mobile/platforms/.
ABOUT MOZILLA
Mozilla is a proudly non-profit organization dedicated to keeping the power of the Web in people's hands.
We're a global community of users, contributors and developers working to innovate on your behalf.
When you use Firefox, you become a part of that community, helping us build a brighter future for the Web.
Learn more at www.mozilla.org.
Download Firefox Beta for Testers 76.0.0-beta.1
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:155.0b4
Uploaded:August 24, 2026 at 3:48PM UTC
File size:46.99 MB
Downloads:2
Version:155.0b3
Uploaded:August 21, 2026 at 3:25PM UTC
File size:46.98 MB
Downloads:57
Version:155.0b2
Uploaded:August 20, 2026 at 12:19AM UTC
File size:64.48 MB
Downloads:41
Version:155.0b1
Uploaded:August 20, 2026 at 12:00AM UTC
File size:64.46 MB
Downloads:60
Version:154.0b10
Uploaded:August 13, 2026 at 5:02AM UTC
File size:64.82 MB
Downloads:74
Version:154.0b9
Uploaded:August 10, 2026 at 10:13PM UTC
File size:64.80 MB
Downloads:75
Version:154.0b8
Uploaded:August 9, 2026 at 4:38PM UTC
File size:64.80 MB
Downloads:86
Version:154.0b7
Uploaded:August 6, 2026 at 5:51PM UTC
File size:64.78 MB
Downloads:96
Version:154.0b6
Uploaded:August 3, 2026 at 8:01PM UTC
File size:64.75 MB
Downloads:93
Version:154.0b5
Uploaded:August 2, 2026 at 11:55PM UTC
File size:64.74 MB
Downloads:91
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