thunderbird@beta ☆
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Description:
Customizable email client
Type: Cask  |  Latest Version: 151.0b4@0  |  Tracked Since: Dec 19, 2025
Links: Homepage  |  @Mozilla  |  formulae.brew.sh
Category: Productivity
Tags: email client beta mozilla productivity
Install: brew install --cask thunderbird@beta
About:
Thunderbird Beta is the pre-release version of Mozilla's open-source email client, offering early access to upcoming features and improvements. It provides robust email management with advanced customization options, integrated calendar functionality, and strong privacy protections. This beta channel allows users to test new capabilities while helping refine the software before stable release.
Key Features:
  • Advanced email organization with tags and filters
  • Built-in calendar and task management
  • Customizable interface with themes and add-ons
  • Strong privacy and security features
  • Cross-platform synchronization
Use Cases:
  • Testing upcoming Thunderbird features before stable release
  • Managing multiple email accounts with advanced filtering
  • Coordinating schedules with integrated calendar functionality
Alternatives:
  • thunderbird – Stable release version with proven reliability
  • outlook – Microsoft's email client with deep Office integration
  • apple-mail – Native macOS email client with system integration
Version History
Detected Version Rev Change Commit
May 13, 2026 11:10pm 151.0b4 0 VERSION_BUMP e3a6d36f
May 6, 2026 8:19pm 151.0b3 0 VERSION_BUMP 0ebd6e6b
Apr 30, 2026 8:15am 151.0b2 0 VERSION_BUMP 0db3a8ef
Apr 23, 2026 7:57pm 151.0b1 0 VERSION_BUMP 051bc5d0
Apr 15, 2026 10:45pm 150.0b5 0 VERSION_BUMP 0442a759
Apr 10, 2026 5:27am 150.0b4 0 VERSION_BUMP 99335faf
Apr 6, 2026 10:53am 150.0b3 0 VERSION_BUMP ffddb69e
Apr 2, 2026 10:41pm 150.0b2 0 VERSION_BUMP b8ca60fd
Mar 25, 2026 5:04pm 150.0b1 0 VERSION_BUMP 38a27c7a
Mar 18, 2026 7:50pm 149.0b4 0 VERSION_BUMP 73bb80a8
Mar 11, 2026 7:44pm 149.0b3 0 VERSION_BUMP 26f750c9
Mar 4, 2026 10:38pm 149.0b2 0 VERSION_BUMP 7ec5410d
Feb 26, 2026 5:14am 149.0b1 0 VERSION_BUMP a62383db
Feb 17, 2026 7:40pm 148.0b6 0 VERSION_BUMP bab4ea84
Feb 13, 2026 10:41pm 148.0b5 0 VERSION_BUMP 44cbb65d
Feb 4, 2026 7:44pm 148.0b4 0 VERSION_BUMP df24ddbe
Jan 28, 2026 7:51pm 148.0b3 0 VERSION_BUMP 77cbc610
Jan 22, 2026 2:06am 148.0b2 0 VERSION_BUMP 8d21fc3d
Jan 14, 2026 7:57pm 148.0b1 0 VERSION_BUMP 4a750348
Jan 6, 2026 7:50pm 147.0b4 0 VERSION_BUMP f807846e
Dec 19, 2025 4:53am 147.0b2 0 VERSION_BUMP d29f0f9f
Sep 17, 2025 10:51pm 144.0b1 0 VERSION_BUMP db3e42e2
Sep 15, 2025 1:06pm 143.0b4 0 VERSION_BUMP 39effe4f
Sep 9, 2025 4:52pm 143.0b4 0 VERSION_BUMP 9ff1e25c
Aug 27, 2025 10:54pm 143.0b2 0 VERSION_BUMP 107e7aa8
Aug 20, 2025 8:30pm 143.0b1 0 VERSION_BUMP c12800b9
Aug 13, 2025 1:35am 142.0b4 0 VERSION_BUMP b4fc7731
Aug 6, 2025 8:11pm 142.0b3 0 VERSION_BUMP 98b8cbf9
Jul 30, 2025 10:26pm 142.0b2 0 VERSION_BUMP c595e2b3
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