Mozilla reduces the number of stages in the development of Firefox
Firefox developers are moving to a new cycle of development, in which will be merged Beta testing stage and Aurora (Developer Edition).
Instead, now used chain development “Nightly Builds -> Aurora -> Beta -> Release» c April 18, plan to apply the scheme of “Nightly Builds -> Beta -> Release” with the formation of Firefox Developer Edition as a branch of the beta release. Firefox 54 will be the last release for which the Aurora branch will be formed, and Developer Edition on its basis.
The duration of the development cycle will be 8 weeks.