Introducing Firefox Nightly


Important Update: This application was formerly known as Firefox Preview. It has now transitioned to Firefox Nightly.



What is Firefox Nightly?


Firefox Nightly serves as a developmental channel for the latest releases of Mozilla Firefox. It is designed to showcase experimental builds of Firefox, allowing users to explore the newest innovations in a less stable environment.



Key Features of Firefox Nightly



  • Access to the latest features before they are officially released.

  • Opportunity to provide feedback on performance and usability.

  • Help shape the final version of Firefox with your insights.



Report Issues


If you encounter any bugs while using Firefox Nightly, please report them at the following link: GitHub Issues.



Feedback and Telemetry


Firefox Nightly automatically sends feedback to Mozilla to improve user experience. For more details on how this works, visit: Mozilla Telemetry.



Permissions


Curious about the permissions that Firefox requests? Learn more here: Firefox Permissions.



Supported Devices and System Requirements


To check the list of supported devices and the latest minimum system requirements, visit: Supported Devices.



Mozilla Marketing Data


To assess the performance of certain Mozilla marketing campaigns, Firefox collects data such as the Google advertising ID, IP address, timestamp, country, language/locale, operating system, and app version. This data is shared with our third-party vendor. For more information, please read our Privacy Notice.