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Mozilla Firefox Nightly
Cask Browsers v161.0a1
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About
Install Mozilla Firefox Nightly on macOS with Homebrew Cask using `brew install --cask firefox@nightly`. Mozilla Firefox Nightly is a Browsers app with version 161.0a1,2026-10-24-21-50-18. The package is listed in homebrew/cask. The cask supports auto-updates.
Install 1 App in Terminal
$
brew install --cask firefox@nightly
System Requirements
macOS:
Installs
Firefox Nightly.app
Official Homebrew Stats
Install activity metrics for Mozilla Firefox Nightly.
30 Days
234 total installs
8 installs / day avg
90 Days
807 total installs
9 installs / day avg
1 Year
3.5K total installs
10 installs / day avg
Frequently asked questions
How do I install Mozilla Firefox Nightly with Homebrew?
Run brew install --cask firefox@nightly in Terminal to install Mozilla Firefox Nightly as a Homebrew cask on macOS.
What kind of app is Mozilla Firefox Nightly?
Mozilla Firefox Nightly is listed as a Browsers app in Homebrew Cask and FastBrew currently shows version 161.0a1,2026-10-24-21-50-18.
What should I check before installing Mozilla Firefox Nightly?
Check any caveats, conflicts, auto-update behavior, and the official homepage before installing.