What's new in Firefox Nightly for Developers 141.0a1

From version 5.2.0:

* Sort Logins
* Streamline Bookmarks/History access
* Improved QR code scanning
* Stability and bugfixes

About Firefox Nightly for Developers 141.0a1

Download Firefox Nightly for Developers 141.0a1

This release comes in several variants (we currently have 17). Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
141.0a1 BUNDLE 11 S
2016093407
May 29, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016093631
May 30, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016093823
May 31, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016094111
June 1, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016094399
June 3, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016094591
June 4, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016094791
June 5, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016095039
June 6, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016095263
June 7, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016095447
June 8, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016095647
June 9, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016095847
June 10, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016096143
June 12, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016096335
June 13, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016096519
June 14, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016097287
June 18, 2025
universal
Android 5.0+
120-640dpi
141.0a1 BUNDLE 11 S
2016097671
June 20, 2025
universal
Android 5.0+
120-640dpi
All Releases

Version:141.0a1

Uploaded:June 20, 2025 at 11:38AM UTC

File size:54.02 MB

Downloads:731

Version:140.0a1

Uploaded:May 27, 2025 at 10:48PM UTC

File size:53.5 MB

Downloads:1,041

Version:139.0a1

Uploaded:April 28, 2025 at 5:45PM UTC

File size:52.36 MB

Downloads:1,476

Version:138.0a1

Uploaded:April 1, 2025 at 4:08PM UTC

File size:51.65 MB

Downloads:1,209

Version:137.0a1

Uploaded:March 3, 2025 at 3:19PM UTC

File size:51.04 MB

Downloads:972

Firefox Nightly for Developers 136.0a1

Version:136.0a1

Uploaded:February 4, 2025 at 6:57AM UTC

File size:51.58 MB

Downloads:944

Version:135.0a1

Uploaded:January 6, 2025 at 7:11AM UTC

File size:50.43 MB

Downloads:1,369

Firefox Nightly for Developers 134.0a1

Version:134.0a1

Uploaded:November 26, 2024 at 9:25AM UTC

File size:49.88 MB

Downloads:1,540

Firefox Nightly for Developers 133.0a1

Version:133.0a1

Uploaded:October 28, 2024 at 5:59PM UTC

File size:49.38 MB

Downloads:1,193

Firefox Nightly for Developers 132.0a1

Version:132.0a1

Uploaded:September 30, 2024 at 4:26AM UTC

File size:48.59 MB

Downloads:998

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