Mozilla Thunderbird Daily

MZLA Technologies Corporation · A macOS build from Thunderbird’s Daily channel, where development and testing begin; it is expected to be the least stable channel.

CaskCommunicationAuto-updatesApple silicon · Intel

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From homebrew/cask

30-day installs5#2016 in App

1-year installs122Last 365 days

Latest version160.0a1yesterday · Oct 14

Download size186MBarm64 / x86_64 · dmg

Release cadenceEvery 2 weeks4 releases in 30 days

Tap: homebrew/cask
Also known as: Mozilla Thunderbird Daily · thunderbird@daily
Download URL: ftp.mozilla.org/pub/thunderbird/nightly/2026/10/2026-10-14-10-24-10-comm-central/thunderbird-160.0a1.en-US.mac.dmg
SHA-256: fb7dda7b8e025d48…
Homebrew definition: github.com/homebrew/homebrew-cask/blob/HEAD/Casks/t/[email protected]
formulae.brew.sh: formulae.brew.sh/cask/thunderbird@daily
Source code: hg.mozilla.org/comm-central

Installation and removal contents

Uninstall uninstall

View full declaration

{
  "uninstall": [
    {
      "quit": "org.mozilla.thunderbird-daily"
    }
  ]
}

Install app
Source file: Thunderbird Daily.app
Declared destination: /Applications/Thunderbird Daily.app
View full declaration
```
{
  "app": [
    "Thunderbird Daily.app"
  ],
  "target": "/Applications/Thunderbird Daily.app"
}
```

Remove user data zap

View full declaration

{
  "zap": [
    {
      "rmdir": "~/Library/Caches/Mozilla",
      "trash": [
        "~/Library/Application Support/com.apple.sharedfilelist/com.apple.LSSharedFileList.ApplicationRecentDocuments/org.mozilla.thunderbird*.sfl*",
        "~/Library/Caches/Mozilla/updates/Applications/Thunderbird*",
        "~/Library/Caches/Thunderbird",
        "~/Library/Preferences/org.mozilla.thunderbird*.plist",
        "~/Library/Saved Application State/org.mozilla.thunderbird*.savedState",
        "~/Library/Thunderbird"
      ]
    }
  ]
}