What's new in Firefox Nightly for Developers 1.3.0

Thank you for testing Firefox Preview. Now you can send a tab or a Collection of tabs from > your phone to your other Firefox connected devices! This update also includes enhancements to private browsing and dark mode, along with usability and stability bug fixes.

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About Firefox Nightly for Developers 1.3.0

Firefox Nightly for Developers 1.3.0 Play Store screenshots (4)

Screenshots from version 162.0a1

Download Firefox Nightly for Developers 1.3.0

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
1.3.0 APK
12321502
August 21, 2019
armeabi-v7a
Android 5.0+
nodpi
1.3.0 APK
12321503
August 21, 2019
arm64-v8a
Android 5.0+
nodpi
1.3.0 APK
12321504
August 21, 2019
x86
Android 5.0+
nodpi
1.3.0 APK
12321505
August 21, 2019
x86_64
Android 5.0+
nodpi
All Releases

Version:162.0a1

Uploaded:November 9, 2026 at 12:23PM UTC

File size:49.65 MB

Downloads:204

Firefox Nightly for Developers 161.0a1

Version:161.0a1

Uploaded:November 6, 2026 at 11:50PM UTC

File size:68.34 MB

Downloads:1,140

Firefox Nightly for Developers 160.0a1

Version:160.0a1

Uploaded:October 23, 2026 at 2:27AM UTC

File size:47.72 MB

Downloads:724

Firefox Nightly for Developers 159.0a1

Version:159.0a1

Uploaded:October 9, 2026 at 7:05PM UTC

File size:67.85 MB

Downloads:435

Firefox Nightly for Developers 158.0a1

Version:158.0a1

Uploaded:September 24, 2026 at 2:11PM UTC

File size:67.07 MB

Downloads:480

Firefox Nightly for Developers 157.0a1

Version:157.0a1

Uploaded:September 10, 2026 at 4:40AM UTC

File size:48.14 MB

Downloads:456

Firefox Nightly for Developers 156.0a1

Version:156.0a1

Uploaded:August 28, 2026 at 7:42PM UTC

File size:47.84 MB

Downloads:407

Firefox Nightly for Developers 155.0a1

Version:155.0a1

Uploaded:August 13, 2026 at 1:25PM UTC

File size:48.15 MB

Downloads:926

Version:154.0a1

Uploaded:July 20, 2026 at 5:02PM UTC

File size:66.41 MB

Downloads:1,572

Version:153.0a1

Uploaded:June 15, 2026 at 2:12PM UTC

File size:65.26 MB

Downloads:1,516

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