well, maybe just to throw my final 2 cents into the discussion: I think it might be better to try and further 4.12 as a common platform for modding endeavours, now that we have CUP and many mods working under that hood (with the exception of certain parts of C&C unfortunately)
IMHO theoretic discussions about by whom, how and when "cooperation" of sorts should be achieved do not further our cause in the near future and to be honest, I am also thinking that we might see the end of the road for "official" patches, if they provide a new basis for modding each and every time, that only a few if any modders will always take up to update their stuff;
I will skip 4.13 and wait for more stuff from Simon and his great staff, campaign first and formost and if there come along some great ones, those should keep me satisfied for a long time; and if they dont, I have a sh§tload of old 4.10 campaigns I never went through entirely so I am a happy camper
of course if some of the goodies from 4.13 can be made working in 4.12 I shall not say nono;
and it might also be time to say a big Thank You to TD nevertheless for giving us the patches they did and providing some great stuff and many happy hours in the past;
you have given modders a great platform to play with - which leads me also to a even more bigger THANK YOU guys to the great modders here who have gone to impressive lengths to create a sim that I did not dream of only a few years ago... VERY WELL DONE GUYS!!!!!