
What's new in Firefox Nightly for Developers Nightly 201024 17:01
From version 5.2.0:
* Sort Logins
* Streamline Bookmarks/History access
* Improved QR code scanning
* Stability and bugfixes
About Firefox Nightly for Developers Nightly 201024 17:01
Please note that this app used to be titled Firefox Preview. It has now been transitioned to Firefox Nightly.
Firefox Nightly is a developmental channel for new Mozilla Firefox releases.
Firefox Nightly is designed to showcase the more experimental builds of Firefox. The Nightly channel allows users to experience the newest Firefox innovations in an unstable environment and provide feedback on features and performance to help determine what makes the final release.
Found a bug? Report it at: github.com/mozilla-mobile/fenix/issues
Firefox Nightly automatically sends feedback to Mozilla: www.mozilla.org/privacy/firefox/#telemetry
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/firefox/mobile/platforms/
Mozilla marketing: In order to understand the performance of certain Mozilla marketing campaigns, Firefox sends data, including a Google advertising ID, IP address, timestamp, country, language/locale, operating system, app version, to our third party vendor. Learn more by reading our Privacy Notice here: www.mozilla.org/privacy/firefox/
Download Firefox Nightly for Developers Nightly 201024 17:01
This release comes in several variants (we currently have 4). Consult our handy FAQ to see which download is right for you.
Version:142.0a1
Uploaded:July 1, 2025 at 1:38AM UTC
File size:54.73 MB
Downloads:186
Version:141.0a1
Uploaded:June 23, 2025 at 5:45PM UTC
File size:54.02 MB
Downloads:836
Version:140.0a1
Uploaded:May 27, 2025 at 10:48PM UTC
File size:53.5 MB
Downloads:1,045
Version:139.0a1
Uploaded:April 28, 2025 at 5:45PM UTC
File size:52.36 MB
Downloads:1,479
Version:138.0a1
Uploaded:April 1, 2025 at 4:08PM UTC
File size:51.65 MB
Downloads:1,216
Version:137.0a1
Uploaded:March 3, 2025 at 3:19PM UTC
File size:51.04 MB
Downloads:974
Version:136.0a1
Uploaded:February 4, 2025 at 6:57AM UTC
File size:51.58 MB
Downloads:950
Version:135.0a1
Uploaded:January 6, 2025 at 7:11AM UTC
File size:50.43 MB
Downloads:1,370
Version:134.0a1
Uploaded:November 26, 2024 at 9:25AM UTC
File size:49.88 MB
Downloads:1,542
Version:133.0a1
Uploaded:October 28, 2024 at 5:59PM UTC
File size:49.38 MB
Downloads:1,199