Latest Firefox Nightly for Developers Uploads

Version:149.0a1

Uploaded:January 23, 2026 at 3:41AM UTC

File size:57.05 MB

Downloads:331

Version:148.0a1

Uploaded:January 12, 2026 at 2:44PM UTC

File size:56.34 MB

Downloads:1,357

Version:147.0a1

Uploaded:December 8, 2025 at 1:51PM UTC

File size:55.6 MB

Downloads:1,753

Version:146.0a1

Uploaded:November 10, 2025 at 2:18PM UTC

File size:58.28 MB

Downloads:2,186

Version:145.0a1

Uploaded:October 13, 2025 at 8:09AM UTC

File size:58.17 MB

Downloads:1,233

Version:144.0a1

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

File size:56.07 MB

Downloads:1,164

Version:143.0a1

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

File size:55.76 MB

Downloads:1,114

Version:142.0a1

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

File size:54.73 MB

Downloads:1,085

Version:141.0a1

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

File size:54.02 MB

Downloads:905

Version:140.0a1

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

File size:53.5 MB

Downloads:1,118

Version:139.0a1

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

File size:52.36 MB

Downloads:1,567

Version:138.0a1

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

File size:51.65 MB

Downloads:1,275

Version:137.0a1

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

File size:51.04 MB

Downloads:1,005

Version:136.0a1

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

File size:51.58 MB

Downloads:989

Version:135.0a1

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

File size:50.43 MB

Downloads:1,395

Version:134.0a1

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

File size:49.88 MB

Downloads:1,558

Version:133.0a1

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

File size:49.38 MB

Downloads:1,234

Version:132.0a1

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

File size:48.59 MB

Downloads:1,017

Version:131.0a1

Uploaded:September 3, 2024 at 7:09AM UTC

File size:100.98 MB

Downloads:2,192

Version:130.0a1

Uploaded:August 6, 2024 at 3:20PM UTC

File size:303.68 MB

Downloads:2,139

Version:129.0a1

Uploaded:July 8, 2024 at 5:35AM UTC

File size:301.96 MB

Downloads:1,686

Version:128.0a1

Uploaded:June 10, 2024 at 3:28AM UTC

File size:292.9 MB

Downloads:1,486

Version:127.0a1

Uploaded:May 15, 2024 at 3:27AM UTC

File size:290.06 MB

Downloads:1,217

Version:126.0a1

Uploaded:April 15, 2024 at 3:07AM UTC

File size:289.27 MB

Downloads:967

Version:126.0a1-20240322093041

Uploaded:March 23, 2024 at 8:58AM UTC

File size:288.91 MB

Downloads:143

Version:126.0a1-20240320095303

Uploaded:March 21, 2024 at 5:45PM UTC

File size:288.88 MB

Downloads:98

Version:125.0a1

Uploaded:March 18, 2024 at 6:39AM UTC

File size:33.12 MB

Downloads:2,177

Version:124.0a1

Uploaded:February 18, 2024 at 7:18AM UTC

File size:32.87 MB

Downloads:1,715

Version:123.0a1

Uploaded:January 22, 2024 at 6:23PM UTC

File size:32.23 MB

Downloads:2,122

Version:122.0a1

Uploaded:December 18, 2023 at 6:47AM UTC

File size:32.11 MB

Downloads:1,624