Yeah, admittedly it can be obscure. There is the logbook, but it'll only have entries after you've started a quest. I'm also doing a guide, but it's specifically for backers. I think what most people do right now is check the changelog for hints on what to investigate. Can also ask here.
Alissa, you need to have her interrupt you and Cassie three times. The one most people miss is 'annoying' Cassie. That's it for Fawn for the moment. Upper new Ark isn't in yet.