I'd just like to re-iterate for those getting over-excited that the 2015 fiscal year ended on March 31st and so therefore 4:SE is in the 2016 fiscal year. I am 100% certain that is what is being referred to as they wouldn't say "no plans" then suddenly they want to make another game. It's a sad and bitter truth but I'm telling you that it's better than getting excited about a game they haven't started/ may not even make. I know it seems like rampant pessimism but there doesn't seem to be any evidence at all that suggests that this doesn't refer to DMC4:SE. If there is then I'll gladly receive it as I do want to be proven wrong even though I know that won't happen
I don't think there's much more to discuss on the topic until we hear anything. We've already had a TR debate because there is no solid evidence of anything.
If so they would have specifically referred to it, like they have for RE HD, Revelations Unveiled Edition, SF5 and MHX. There is no reference to RE 0 HD as well. There is no mention anywhere of DmC DE either, despite releasing March 10th.
There is quite a lot that suggests "Devil May Cry series" isn't just referring to DMC4SE, and not a lot to suggest that it does.
This rampant skepticism is starting to turn irrational. They recently announced a remake of Resident Evil 2, even though RE HD only sold 1 million. The counterpoint to that is that the original RE2 sold 5 million. But, there was a lot less competition back then.
DMC4 has sold 3 million, DmC sold 1.6 million, and we recently learned DMC HD Collection has sold 1 million. Add the fact that DMC4SE is considered a strong seller.
The notion that there are no original DMC titles in development that will launch within the end of the 2017 fiscal year is flimsy, informed by a lot of negative confirmation bias and not a lot of common sense. They have greenlit more for less.