Thanks, but my question is: is it enough to just package the new fork into the F-18 and devel branches and leave the previous ones unchanged and out-of date? 

2012/10/20 Ken Dreyer <ktdreyer@ktdreyer.com>
On Sat, Oct 20, 2012 at 1:59 PM, M.M. <hal8600@hotmail.it> wrote:
> branches only and simply leaving the F-16 and F-17 branches unchanged.
> Is this the right approach? If not, how should I behave?

Has Neroth given up development on his version forever? If so, it
sounds sensible to me to switch in RPM Fusion.

- Ken