Blizzard sent out the following
The new Overwatch PvP map, Rialto, is now live in the PTR for PC.
The PvP Rialto map, which was first featured in the new Retribution mission, will be an escort map taking place in the daytime Venice. Players will have to team up to guide a payload along the canals and cobblestone streets.
Be sure to check out the new map today!
Exciting news indeed. Will you be checking this out?
Source: Blizzard PR