What's new in Firefox Nightly for Developers Nightly 210215 17:01

From version 5.2.0:

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

Scroll to available downloads
A more recent upload may be available below!

About Firefox Nightly for Developers Nightly 210215 17:01

Download Firefox Nightly for Developers Nightly 210215 17:01

This release comes in several variants (we currently have 4). Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
Nightly 210215 17:01 APK
2015793481
February 16, 2021
armeabi-v7a
Android 5.0+
nodpi
Nightly 210215 17:01 APK
2015793483
February 16, 2021
arm64-v8a
Android 5.0+
nodpi
Nightly 210215 17:01 APK
2015793485
February 16, 2021
x86
Android 5.0+
nodpi
Nightly 210215 17:01 APK
2015793487
February 16, 2021
x86_64
Android 5.0+
nodpi
All Releases
Firefox Nightly for Developers 144.0a1

Version:144.0a1

Uploaded:September 14, 2025 at 5:33PM UTC

File size:56.07 MB

Downloads:843

Version:143.0a1

Uploaded:August 18, 2025 at 9:16PM UTC

File size:55.76 MB

Downloads:995

Version:142.0a1

Uploaded:July 22, 2025 at 3:31AM UTC

File size:54.73 MB

Downloads:1,046

Version:141.0a1

Uploaded:June 23, 2025 at 5:45PM UTC

File size:54.02 MB

Downloads:887

Version:140.0a1

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

File size:53.5 MB

Downloads:1,082

Version:139.0a1

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

File size:52.36 MB

Downloads:1,527

Version:138.0a1

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

File size:51.65 MB

Downloads:1,247

Version:137.0a1

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

File size:51.04 MB

Downloads:992

Firefox Nightly for Developers 136.0a1

Version:136.0a1

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

File size:51.58 MB

Downloads:977

Version:135.0a1

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

File size:50.43 MB

Downloads:1,392

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