An explanation of the Mozilla Source Code Directory Structure and links to project pages with documentation can be found at: https://firefox-source-docs.mozilla.org/contributing/directory_structure.html For information on how to build Mozilla from the source code and create the patch see: https://firefox-source-docs.mozilla.org/contributing/how_to_contribute_firefox.html If you have a question about developing Mozilla, and can't find the solution on https://developer.mozilla.org, you can try asking your question on IRC at irc.mozilla.org in #introduction channel. Nightly development builds can be downloaded from: https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central/ - or - https://www.mozilla.org/firefox/channel/desktop/#nightly Keep in mind that nightly builds, which are used by Mozilla developers for testing, may be buggy.
mozilla-spidermonkey/rust-frontend
*ABANDONED* *Experimental* work on potentially rewriting the spidermonkey frontend. Not guaranteed to be merged.
NOASSERTION