First, let's **[download the latest tarball](https://gitlab.com/librewolf-community/browser/source/-/jobs/artifacts/main/raw/librewolf-96.0.3-2.source.tar.gz?job=Build)**. This tarball is the latest produced by the [CI](https://gitlab.com/librewolf-community/browser/source/-/jobs).
Now that you have a patch in LibreWolf, that's not enough to upload to Mozilla. See, Mozilla only accepts patches against Nightly. So here is how to do that:
Time to start hacking! You should join us on [Matrix](https://chat.mozilla.org/), say hello in the [Introduction channel](https://chat.mozilla.org/#/room/#introduction:mozilla.org), and [find a bug to start working on](https://codetribute.mozilla.org/). See the [Firefox Contributors’ Quick Reference](https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html#firefox-contributors-quick-reference) to learn how to test your changes, send patches to Mozilla, update your source code locally, and more.