As per heading, on Spotify premium / iphone with the latest update I can add to my queue and it will play the queue, but previously there was an icon at the top-right of the 'song/track' view that would swap to the queue list where you could reorder / delete tracks. This is no longer available, so there's no way of emptying/editing your queue other than listening through it.
I'm guessing this is a bug / slip-up and not a planned change, and hope it will be fixed in the next app roll-out.
edit: updated to 188.8.131.524 that just appeared in my update list, queue list option has been reinstated. 🙂