Let me do a quick check since almost none of the sites I visit had anything about it so far besides Overwatch.
BlizzCon news:
1) Overwatch was announced to be in development at Blizzard and is their first new franchise within the past 17 years. Some early details include a beta arriving in 2015, signups for the beta currently open, and several debut trailers were released.
http://www.destructoid.com/blizzard-...h-283590.phtml
http://www.giantbomb.com/videos/a-le...lay/2300-9683/
2) Legacy of the Void was revealed to be the final game for Starcraft II's storyline. No release date was announced as of yet for the standalone expansion pack.
http://www.giantbomb.com/videos/the-...ion/2300-9684/