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An explanation of the Firefox Source Code Directory Structure and links to
project pages with documentation can be found at:
For information on how to build Firefox from the source code and create the patch see:
If you have a question about developing Firefox, and can't find the solution
on https://firefox-source-docs.mozilla.org/, you can try asking your question on Matrix at chat.mozilla.org in `Introduction` (https://chat.mozilla.org/#/room/#introduction:mozilla.org) channel.
Nightly development builds can be downloaded from:
- or -
Keep in mind that nightly builds, which are used by Firefox developers for
testing, may be buggy.