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: 148.0a1,2025-12-19-09-07-05

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
firefox@nightly 189
Installs (90 days)
firefox@nightly 559
Installs (365 days)
firefox@nightly 2,473