firefox@nightly

Install command: 
brew install --cask firefox@nightly

Name: Mozilla Firefox Nightly

Web browser

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

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

Cask code: firefox@nightly.rb on GitHub

Current version: 144.0a1,2025-08-18-21-39-14

Current version requires: macOS >= 10.15

Analytics:

Installs (30 days)
firefox@nightly 175
Installs (90 days)
firefox@nightly 596
Installs (365 days)
firefox@nightly 2,704