RC(#) is Release Candidate and is where Quantum is at now. It is the most unstable build.īeta is more stable and intended for general use at own risk. Read this answer in context 👍 2 All Replies (3) It is also the only updated option for WinXP/Vista users since 53.0 and later has dropped WinXP/Vista. This is meant more for organizations in mind but regular users can use it also. There is also ESR channels as current version is based on 52.0 as in 52.4.1 which came out when 56.0.1 was Released and 52.8.0esr will likely be the last update next May. If you want to be a Tester the Beta channel builds are much more stable compared to the Nightly channel which is meant more for Testers and not regular users. This can sometimes lead to issues until fixed, finished or reverted. The Nightly channel gets checkins each day and gets update two times a day in Testing. The Developers Edition has same version as Beta now but with Developers Edition features.Ī version on Beta channel can get say nine to fourteen builds in testing.

Now it is Release < Beta (b#) < Nightly (a1) It used to be Release < Beta (b#) < Developers Edition aka Aurora (a2) < Nightly (a1) There are different development channels. Firefox 57.0 is scheduled for Nov 14 if all goes well.

Firefox nightly vs developer