Main plot spoilers follow.

I'm currently on Hunter/Hunted, on the last leg of the mission where you're meant to ascend the elevator and meet the Courser. I've recreated this glitch two times now. I encountered it the first time with Nick before giving up in favor of doing some side quests. I came back like, five levels later (with Piper this time around) it still persists.

Everything plays out as it should after I enter the elevator. The screen fades to black, it's dark, there's elevator music, but the rumbling of the elevator moving upward and the lights that project on the door aren't present, and the door itself never opens. The quest marker is just sort of lingering in the middle of the doorway. I can't find anyone else talking about this on the internet, hope it gets resolved soon.