Here's the story:
https://www.mail-archive.com/debian-user@lists.debian.org/msg699377.html
There's also:
* proprietary Adobe code for implementing DRM ("EME")
* Hello, which has proprietary dependencies on the back-end - similiar issue
to UbuntuOne
I wrote about these in more detail here:
Will Trisquel also make that switch? If not, why not?
There are several issues why not.
Pocket is non free and now a default.
Addons page of Mozilla has ALOT of non free addons
Firefox supports DRM in some installs
I hope not because I am not entirely sure that the problems are over.
There was discussion here:
https://trisquel.info/en/forum/will-firefox-replace-abrowser-trisquel-8
although onpon4 missed something when they said "Mozilla's trademark policy
doesn't say anything about permitting use of the
