* '''Firefox Aurora/[https://hg.mozilla.org/releases/mozilla-aurora mozilla-aurora]''' : For web/platform developers and early adopters
* '''Firefox Nightly/[https://hg.mozilla.org/mozilla-central mozilla-central]''' : Nightly releases that contains experimental features (covered regularly on Twitter from [https://twitter.com/FirefoxNightly @FirefoxNightly] [https://twitter.com/FennecNightly @FennecNightly])
* '''Firefox ESR/[https://hg.mozilla.org/releases/mozilla-esr17esr{{ESR_CURRENT}}/ mozilla-esr17esr{{ESR_CURRENT}}]''' : Official Desktop releases for Organizations. Check [https://wiki.mozilla.org/EnterpriseRelease_Management/Firefox/ExtendedSupport:Proposal ESR_Landing_Process wiki] for detailed information
See the [https://wiki.mozilla.org/Tree_Rules Tree Rules] before pushing patch into any repository