Developer's DescriptionBy MozillaShape the impeccable mobile Web of tomorrow by taking the latest browsing features for a test drive.Firefox Nightly is a developmental channel for new Mozilla Firefox releases. Please note that Firefox Aurora is no longer available and has transitioned to Firefox Nightly. Firefox Nightly is designed to showcase the more experimental builds of Firefox. The Nightly channel allows users to experience the newest Firefox innovations in an unstable environment and provide feedback on features and performance to help determine what makes the final release.Mozilla marketing: In order to understand the performance of certain Mozilla marketing campaigns, Firefox sends data, including a Google advertising ID, IP address, timestamp, country, language/locale, operating system, app version, to our third party vendor.