The Witcher 3 crashes, bugs and fixes

The Witcher 3 launched this week, with CD Projekt Red opening up the gates of its intimidating, huge open world. Despite an extended period of bug stomping and a day one patch, it's not just monsters that plague the Northern Kingdoms; there are plenty of bugs as well.
We'll be posting major launch bugs here, and updating them with fixes as they crop up, so keep checking back if you find yourself beset with issues.
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