Hello, how can I we update to ffmpeg 1.1? We have a '1.0.nix' file, and 'ffmpeg_1_0' attribute, that I guess we could move to either '1.1.nix' or '1.x.nix', in the sense that we don't have to keep 1.0 around. What do you prefer? 1.x.nix, 1.1.nix, both 1.0 and 1.1 available, ...? Regards, Lluís.