In no particular order.

What the hell is the stuff in the little glass jars they’re drinking?
And the goats? What in the hell is with the goats?

After Dylan refused to let his “innie” resign, it became clear that that the innies were slaves.

So they’re mining the data to collect all of Gemma’s “tempers”, effectively digitalizing her soul. What are they going to do with it?

What was Lumen producing in the small fishing village? Ms. Cobel and the dude recalled their time working around the vats. And why was everyone huffing ether?

It turned out Cobel was the designer of Severance. The idea was taken away from her, but she got the plans back. Is she planning on taking Lumon down, or taking it over?

The ending. Was Mark S. selfish in staying with Helly R.? He saved Gemma, but didn’t he owe anything else to his outie. Will both Mark S. and his outie perish? Or will we see them re-integrate. Guess will have to wait till season 3.