Blizzard put up an announcement that says the ranked competitive PvP is coming later today for the PC. Those on consoles will have to wait just one more week for this update. Community Manager, Lylirra, put up a lengthy post detailing what fans can expect in the Summer season of play and some insight as to what is coming this Fall.
Patching on PC and ConsolePlayOverwatch.com (or follow us on Twitter) for all the latest patch news and updates.

Shorter Summer Season

The changes currently planned for the Fall season can be read here.

Tonight's update literally just went live (as I was typing this up). The patch notes and changes can be found here at Battle.net.