firefox@beta ☆

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Description:
Web browser

Type: Cask | Latest Version: 150.0b4@0 | Tracked Since: Dec 17, 2025

Links: Homepage | @firefox | formulae.brew.sh

Category: Productivity

Tags: browser web-browser firefox beta mozilla web-development

Install: brew install --cask firefox@beta

About:
Firefox Beta is a pre-release version of Mozilla's open-source web browser, offering early access to upcoming features and web platform improvements. It serves as a testing ground for developers and enthusiasts to validate websites and extensions against future stable releases. This channel provides a balance of new functionality with reasonable stability for proactive users.

Key Features:

Early access to Firefox features before stable release
Enhanced developer tools for web compatibility testing
Updated web platform standards support (CSS, JS, Web APIs)
Telemetry and crash reporting enabled for feedback collection

Use Cases:

Web developers testing site compatibility with upcoming Firefox versions
Power users wanting the latest browser features before public release
QA engineers validating extension functionality against beta builds

Alternatives:

firefox – Stable release channel with thoroughly tested features
firefox@nightly – More experimental daily builds with latest changes but higher instability
google-chrome – Alternative browser with different rendering engine and release cycle

Version History

Detected	Version	Change	Commit
Apr 1, 2026 4:17pm	150.0b4	VERSION_BUMP	3c388344
Mar 30, 2026 4:17pm	150.0b3	VERSION_BUMP	1e975655
Mar 27, 2026 7:02pm	150.0b2	VERSION_BUMP	f312d723
Mar 25, 2026 7:01pm	150.0b1	VERSION_BUMP	062b7257
Mar 18, 2026 7:04pm	149.0b10	VERSION_BUMP	53b318cd
Mar 16, 2026 7:02pm	149.0b9	VERSION_BUMP	c7cf1df1
Mar 13, 2026 6:59pm	149.0b8	VERSION_BUMP	c258769a
Mar 11, 2026 4:08pm	149.0b7	VERSION_BUMP	6af1ed07
Mar 9, 2026 7:01pm	149.0b6	VERSION_BUMP	fea904d8
Mar 6, 2026 7:00pm	149.0b5	VERSION_BUMP	b346dc56
Mar 4, 2026 3:57pm	149.0b4	VERSION_BUMP	e9355cc1
Mar 2, 2026 7:02pm	149.0b3	VERSION_BUMP	14e2cc02
Feb 27, 2026 3:55pm	149.0b2	VERSION_BUMP	4c132276
Feb 25, 2026 7:02pm	149.0b1	VERSION_BUMP	75bd911c
Feb 13, 2026 9:58pm	148.0b15	VERSION_BUMP	acdec21f
Feb 11, 2026 7:01pm	148.0b14	VERSION_BUMP	213ba703
Feb 9, 2026 4:01pm	148.0b13	VERSION_BUMP	cc101a57
Feb 6, 2026 7:02pm	148.0b12	VERSION_BUMP	d2790c57
Feb 4, 2026 7:04pm	148.0b11	VERSION_BUMP	8984237a
Feb 2, 2026 7:02pm	148.0b10	VERSION_BUMP	5b1486ea
Jan 30, 2026 6:59pm	148.0b9	VERSION_BUMP	c5628307
Jan 28, 2026 4:01pm	148.0b8	VERSION_BUMP	3eb81ef5
Jan 26, 2026 4:22pm	148.0b7	VERSION_BUMP	bba3cad6
Jan 23, 2026 4:03pm	148.0b6	VERSION_BUMP	49834e4b
Jan 21, 2026 7:06pm	148.0b5	VERSION_BUMP	e20ea611
Jan 19, 2026 4:05pm	148.0b4	VERSION_BUMP	82839762
Jan 16, 2026 7:09pm	148.0b3	VERSION_BUMP	5545b54a
Jan 14, 2026 3:59pm	148.0b2	VERSION_BUMP	c5fba9ce
Jan 13, 2026 1:07pm	148.0b1	VERSION_BUMP	d099b21d
Dec 31, 2025 7:04pm	147.0b9	VERSION_BUMP	aa3ea96e
Dec 29, 2025 7:09pm	147.0b8	VERSION_BUMP	6863a39c
Dec 23, 2025 1:03am	147.0b6	VERSION_BUMP	292c27c3
Dec 17, 2025 4:08pm	147.0b5	VERSION_BUMP	6d0549f9
Sep 19, 2025 7:09pm	144.0b3	VERSION_BUMP	e589970a
Sep 17, 2025 7:11pm	144.0b2	VERSION_BUMP	2d890952
Sep 16, 2025 1:26pm	144.0b1	VERSION_BUMP	1ff83252
Sep 15, 2025 11:39am	143.0b9	VERSION_BUMP	e586f87a
Sep 5, 2025 7:24pm	143.0b9	VERSION_BUMP	1015b712
Sep 1, 2025 7:03pm	143.0b7	VERSION_BUMP	84e9c573
Aug 29, 2025 7:07pm	143.0b6	VERSION_BUMP	85b35b32
Aug 27, 2025 7:05pm	143.0b5	VERSION_BUMP	05988188
Aug 26, 2025 10:00am	143.0b4	VERSION_BUMP	fc4ea1eb
Aug 22, 2025 7:04pm	143.0b3	VERSION_BUMP	be38f8bb
Aug 20, 2025 7:06pm	143.0b2	VERSION_BUMP	6899b9d0
Aug 19, 2025 4:03pm	143.0b1	VERSION_BUMP	44f08547
Aug 8, 2025 7:02pm	142.0b9	VERSION_BUMP	7b731e48
Aug 6, 2025 7:10pm	142.0b8	VERSION_BUMP	b7127a85
Aug 4, 2025 6:57pm	142.0b7	VERSION_BUMP	149b51e6
Aug 1, 2025 9:51pm	142.0b6	VERSION_BUMP	b2576d2b
Jul 30, 2025 7:01pm	142.0b5	VERSION_BUMP	3ad81b1d