Played through it for now. Some shit that I noticed:

>combat flow currently more stinted than 2
>heavy emphasis on swapping between Ninja and Samurai to proc elemental ailments + combat arts
>burst counters either too precise or do not trigger at all
>ninja weapons (twin blades, kusarigama, claws) permanently locked behind Ninja combat style
>ninja outfits stuck in different lineup pool as well
>onmyo magic relegated and tied to soul cores which either provide buffs or can be set as spells to cast
>bosses are challenging, especially second to last one from alpha
>jump attacks do not make more damage and leave character open to attacks
>ninja style has no high/mid/low stance

It's on Alpha but so far the style swapping is my biggest gripe as it will essentially lock out half of your previous game's content to a fighting style which is not fun (so far). The guardian spirit transformations amd some of the enemies are fun to llay with.