Because it’s the only(?) wave where enemies are created progressively (and not all at once). So if anything happens during the wave to cause the randomizer to become out of sync, enemies will change from that point onward.
Can’t.
No.
It’s on my list, but I need write code to reset spacecraft names first (it doesn’t exist)
Changed in v.85 Idea, however I think this might create bug reports similar to “I didn’t get the clean sweep even though I killed all enemies”. The underlying issue is that special weapons are no longer just missiles, so using a special weapon doesn’t necessarily mean you kill all enemies (or, in fact, any of them).
iA, at Chicks ‘n’ Chickens wave(zoomed-out variation): The big group in the middle need to be reduced by -1 phase because it’s making the wave longer. Also its initial appearance is making the Pecking Order hard to get.
I also suggest that all 4 pods of the Mullers as well as the two front winglets of the H&C can be individually customizable, so that spaceship designs for these two spaceship families can be asymmetrical like the BX series.