Am Donnerstag, den 07.01.2016, 16:37 -0500 schrieb Paul W. Frields:
The nightly developer edition is still Firefox, just with new stuff.
You don't have to give up the browser entirely. It seems to me the
in its normal operating mode was a similar case here. I hope no one
would claim that was non-free.
Why not shipping both versions (dev-edition is not installed by
default) of Firefox and make the packaged addons depending on the
So if someone needs packaged addons or wants bleeding edge features he
could replace stable Firefox with the developer edition.
IMHO this would be a suitable solution.