Experiencing some day one Blood of Dawnwalker issues? Its devs know, and have some temporary solutions to help get you bloodsucking
A day of what should be celebrations for many, I'm sure, instead a day of "oh, huh, this isn't running so well on PC, is it?" This is fairly common for big releases these days, but the devs do come with some temporary suggestions for the variety of issues they're aware of.
