firefox@beta ☆
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Description:
Web browser
Type: Cask  |  Latest Version: 148.0b15@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 Rev Change Commit
Feb 13, 2026 9:58pm 148.0b15 0 VERSION_BUMP acdec21f
Feb 11, 2026 7:01pm 148.0b14 0 VERSION_BUMP 213ba703
Feb 9, 2026 4:01pm 148.0b13 0 VERSION_BUMP cc101a57
Feb 6, 2026 7:02pm 148.0b12 0 VERSION_BUMP d2790c57
Feb 4, 2026 7:04pm 148.0b11 0 VERSION_BUMP 8984237a
Feb 2, 2026 7:02pm 148.0b10 0 VERSION_BUMP 5b1486ea
Jan 30, 2026 6:59pm 148.0b9 0 VERSION_BUMP c5628307
Jan 28, 2026 4:01pm 148.0b8 0 VERSION_BUMP 3eb81ef5
Jan 26, 2026 4:22pm 148.0b7 0 VERSION_BUMP bba3cad6
Jan 23, 2026 4:03pm 148.0b6 0 VERSION_BUMP 49834e4b
Jan 21, 2026 7:06pm 148.0b5 0 VERSION_BUMP e20ea611
Jan 19, 2026 4:05pm 148.0b4 0 VERSION_BUMP 82839762
Jan 16, 2026 7:09pm 148.0b3 0 VERSION_BUMP 5545b54a
Jan 14, 2026 3:59pm 148.0b2 0 VERSION_BUMP c5fba9ce
Jan 13, 2026 1:07pm 148.0b1 0 VERSION_BUMP d099b21d
Dec 31, 2025 7:04pm 147.0b9 0 VERSION_BUMP aa3ea96e
Dec 29, 2025 7:09pm 147.0b8 0 VERSION_BUMP 6863a39c
Dec 23, 2025 1:03am 147.0b6 0 VERSION_BUMP 292c27c3
Dec 17, 2025 4:08pm 147.0b5 0 VERSION_BUMP 6d0549f9
Sep 19, 2025 7:09pm 144.0b3 0 VERSION_BUMP e589970a
Sep 17, 2025 7:11pm 144.0b2 0 VERSION_BUMP 2d890952
Sep 16, 2025 1:26pm 144.0b1 0 VERSION_BUMP 1ff83252
Sep 15, 2025 11:39am 143.0b9 0 VERSION_BUMP e586f87a
Sep 5, 2025 7:24pm 143.0b9 0 VERSION_BUMP 1015b712
Sep 1, 2025 7:03pm 143.0b7 0 VERSION_BUMP 84e9c573
Aug 29, 2025 7:07pm 143.0b6 0 VERSION_BUMP 85b35b32
Aug 27, 2025 7:05pm 143.0b5 0 VERSION_BUMP 05988188
Aug 26, 2025 10:00am 143.0b4 0 VERSION_BUMP fc4ea1eb
Aug 22, 2025 7:04pm 143.0b3 0 VERSION_BUMP be38f8bb
Aug 20, 2025 7:06pm 143.0b2 0 VERSION_BUMP 6899b9d0
Aug 19, 2025 4:03pm 143.0b1 0 VERSION_BUMP 44f08547
Aug 8, 2025 7:02pm 142.0b9 0 VERSION_BUMP 7b731e48
Aug 6, 2025 7:10pm 142.0b8 0 VERSION_BUMP b7127a85
Aug 4, 2025 6:57pm 142.0b7 0 VERSION_BUMP 149b51e6
Aug 1, 2025 9:51pm 142.0b6 0 VERSION_BUMP b2576d2b
Jul 30, 2025 7:01pm 142.0b5 0 VERSION_BUMP 3ad81b1d
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