Look at post 13. It appears to me there is an extractor machined into the slide...not a separate piece with a spring, but just a little hook in the slide.
Maybe. Hard to tell.
The empty appears to be bumped out of the way by the new round.
Or did you mean to say “...not thrilled about it not having an ejector...”?
it truly is an innovative design and i hope it works out for them, but i'll have to wait till several thousand production guns are on the market and reviewed before i bet my life on one.