Blizzard has been forced to temporarily remove Bastion and Torbjörn from Overwatch 2 due to both characters causing serious bugs.
Bastion has been removed from the game entirely due to its ultimate being completely broken. A glitch allows the robot's Ultimate, which usually lets players fire a powerful blast up to three times within seconds, to be shot as many times as players can within that time.
Torbjörn is still available in Quick Play but has been removed from every other mode, with a tweet from Overwatch's official account (below) saying that both heroes have been removed "while we iron out a few bugs in their ability kits".
Read more on ign.com