Sombra comes to Overwatch test servers next week along with arcade mode

Blizzard Entertainment has teased the hidden character Sombra since launching the game in May, and now we know who it is.
Sombra is a stealthy character with hacking capabilities, we learned today. She is playable at BlizzCon, and she’ll roll to the public test servers next week. Blizzard boss Mike Morhaime also showed off a new map called Oasis as well as an Arcade mode that has 1-versus-1 and 3-versus-3 arena-style game modes. Arcade will come with a new map called Ecopoint Antarcti