How to Install Firefox Nightly Browser on Fedora 36 Linux

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Mozilla developers contribute code to a central repository every day. This code is compiled nightly to create a pre-release version of Firefox for testing. The code matures and then merges into stabilization repositories (Beta and Dev Edition). The code is polished until it reaches a level of quality that allows for a new final version of Firefox to be shipped to hundreds of millions of people. Nightly builds are an essential part of the Firefox development process, as they allow us to test new code and ensure that it meets our high standards before it is released to the public.

Often, non-developer users should refrain from using the nightly version, given it can bring either system instabilities but, more often, features that may not be secured or open new security issues. For example, one would never do internet banking on a nightly browser. However, checking out the nightly version may be interesting for users that like upstream versions of the latest bleeding-edge software and are casual browsers.

The following tutorial will teach you how to install Firefox Nightly on Fedora 36 Linux using a COPR repository using the command line terminal.

Update Fedora

The first step is ensuring your system is up-to-date to avoid issues during the installation and for good practice. This is done by opening your terminal and using the following command.

sudo dnf upgrade --refresh

Install Firefox Quantum

The best method to install Firefox Quantum for Fedora is to enable the COPR repository by proletarius101/firefox-nightly.

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First, enable the repository using the following terminal command.

sudo dnf copr enable proletarius101/firefox-nightly -y

If successful, you should see the following output at the end of the import log.

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Example:

Repository successfully enabled.

Once done, install Firefox Nightly using the following command.

sudo dnf install firefox-nightly -y

How to Launch Firefox Nightly

Launching can be done in a few ways now that you have the software installed.

Users with an open command terminal use the following command to launch immediately.

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firefox-nightly

Desktop users would mostly prefer opening Firefox Nightly using the application icon, which you would use the following path on your desktop.

Activities > Show Applications > Firefox Nightly.

Example:

How to Install Firefox Nightly Browser on Fedora 36 Linux

Once launched, you can continue using the browser as you would with any other, do note you can get involved more if you would like by following the browser prompts such as visiting the developer channel, feedback, etc.

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Example:

How to Install Firefox Nightly Browser on Fedora 36 Linux

How to Update/Upgrade Firefox Nightly

For future updates, since you have installed the software from a repository, run the standard DNF commands to check for an update manually. You should be notified along with the rest of your system updates, given that it is a DNF install.

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sudo dnf update --refresh

How to Remove (Uninstall) Firefox Nightly

Use the following commands to remove the software from your desktop system.

sudo dnf autoremove firefox-nightly -y

Lastly, if you have no intention of re-installing, you should disable the COPR repo.

sudo dnf copr disable proletarius101/firefox-nightly -y

Comments and Conclusion

The Firefox Nightly build process is an integral part of our development cycle, and it allows us to test new code and ensure that it meets our high standards before it is released to the public. If you’re interested in learning more about how Firefox is developed or want to contribute to our codebase, check out the Mozilla Developer Network website.

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