Technically, yes.
Though recently (and by that I mean the last couple of months) there has been little to no progress. I still plan to complete the night elf campaign, and hopefully the others, but first I gotta sort out some IRL stuff.
I also have to find my Wc3 CD so I can redeem it on BNet which I dont think I've done yet. Worst case scenario, I'll be getting a new PC next month, and if I havent found it I'll probably buy a digital copy too. Things at work will probably have calmed down, too.
I havent been following anything Wc3 related recently but I dont think patches really broke anything (or if they did then it was fixed later on). Will still be reworking the already released NE chapters before the last one, though.