Firefox 92.0 has been released. In
this version Firefox can now automatically upgrade to HTTPS using HTTPS RR
as Alt-Svc headers, support full-range color levels for video playback on
many systems, and more.

Firefox
78.14.0 ESR and Firefox
91.1.0 have also been released. ESR78 will reach end-of-life in
November.

Source: LWN.net – Firefox 92.0 and Firefox ESR