A new version of Firefox is shipped every six weeks – we at Mozilla call this pattern “release trains.”

https://hacks.mozilla.org/category/trainspotting/

https://www.mozilla.org/firefox/channel/

{ "webide": { "prepackage": { "command": "make", "env": ["APP=settings"], "cwd": "../.." }, "packageDir": "../../build_stage/settings/" }}

https://www.youtube.com/watch?v=oI-a035nfWk

https://www.youtube.com/watch?v=2zPhRbKXGYU

https://developer.mozilla.org/