Devil’s Sight says you can see in magical darkness. Intuitively, if I can see you, I can shoot you. I get why it works that way for everyone else, but it feels as though Wyll should be completely unaffected by Darkness.
If this is working as intended, then I suggest updating the Devil’s Sight tooltip.
I’m not sure that this is new. I thought I’d seen the same behaviour in an earlier patch, which is why I tend not to bother with Devil Sight, but may have been mistaken or misremembered.
Totally agree though that the description makes it sound as though a character with Devil Sight should be unaffected by Darkness, and that if this isn’t what is intended the description should be updated.