firefox@nightly

Install command: 
brew install --cask firefox@nightly

Name: Mozilla Firefox Nightly

Web browser

https://www.mozilla.org/firefox/channel/desktop/#nightly

Development: Pull requests

Cask JSON API: /api/cask/firefox@nightly.json

Cask code: firefox@nightly.rb on GitHub

Current version: 154.0a1,2026-06-21-21-56-06

Requirements: macOS

Analytics:

Installs (30 days)
firefox@nightly 458
Installs (90 days)
firefox@nightly 1,000
Installs (365 days)
firefox@nightly 3,100