they are shifting some. developers from HOTS to other projects.
We’ll continue actively supporting the game with new heroes, themed events, and other content that our community loves, though the cadence will change. Ultimately, we’re setting up the game for long-term sustainability.
There has been lots of speculation about this, but none of the major organizations believed it. In fact Tempo Storm coach Kala said he spoke to high up Blizzard reps at blizzcon and they said everything would be at least as big if not more support coming this year. As of 2 days ago this was his outlook on the prospects of HGC being canceled.
And here is his rant after the news today:
Here is the reddit thread on the topic
It's hard to see a path where this won't lead to a dead game in a year or two. No pro scene, less competition at the top of the hero league scene with no pros, less content, and less incentives to fix problem areas. Those issues are only likely to further decrease the player pool. That in turn makes it even less profitable to support the game and so on...
Too bad, because it really is a great game at it's core. Not without issues, but lots of great times. There is a lot more to go into when I have more time, but wanted to get the initial post visible for people.