Refering to this article on reddit:

Maintenance mode:

So, as QC players what are your plans?
Personally, I will play QC until Diabotical is released and switch over and just hope for the best ... 2GD is doing so much for diabotical, map editor, video editing support, nicer overwatch looks (more visibility), and has even plans for esports, I dont know what not to like about it ...