Windows Central: Blackbird Interactive rumoured to be involved with unannounced Blizzard RTS.

From the latest article written by Jez Corden:

I've heard rumors that Blackbird Interactive, which was a co-dev on Warcraft Remastered, might also be once again involved in Blizzard's classic RTS efforts

Could well be the co-developer on the previously-rumoured Warcraft Chronicles RTS, which Corden notes in the article:

On top of that, there are also rumors that Blizzard might be exploring Warcraft's RTS roots again. A title, "Warcraft Chronicles," emerged alongside the Camelot codename, and given rumors I've heard about RTS aficionados Blackbird Interactive being on board with Blizzard again, perhaps we could see new expansions for Warcraft 3, or remakes of Warcraft 1 or 2 even

There are a few other tidbits here like Diablo having a TV show in development, and that there should be something for Heroes of the Storm.