Ears missing defined lineart: Experiment 1550, Glade, Harvest, Day, Giger, Night. All on the boob-clad ones.

Eyelashes/shape: Harvest, boob-clad one has a mix of both bases eyes that don't match the Glade.

Sheer skin: Glade. The boob-clad one is see-through.

Different shades: Nebula, Cloud, Nacht, Scaley

Missing highlight: Blacklight, Experiment 0507 (boobless ones), Little Gray (boob-clad)

Lineart changes: Deer (ankles/near the hooves), Experiment 2795 (ears), Flameo (sporadically), Green Snake (sporadically), Red Snake (sporadically), Tan Snake (sporadically), Specter (boob-clad is missing all external lineart)

Eyes straight up move: Galactic, Hydrus

Missing a bellybutton: Koi (boob-clad)

Stray pixel: Spectrum (boob-clad gains a black dot near the thumb)

Shading/highlighting changes in random spots: Wood and Ice.

I've noticed that the original HA eyes also still remain on the zombie / Survival skins. I tried to use the Fevermore skin I unlocked last year, but the regular HA's eyes still appeared over the Fevermore skin.