Just got ending A, and for a learning project, I'd say it was pretty good! The only main glitch I really had any experience with was the aforementioned glitch of falling through the ground on screen transitions, though I couldn't find any way to consistently replicate it. Just kind of happened sometimes.
I also share the sentiment on the combat jank, but it didn't really take me out of the gameplay experience too much until the final boss. Overall, I had a good time with it! I'm particularly fond of the graphics: I'm a sucker for those Super Beast/Best Friends animations, and when put into a game it has a real sorta original Alone in the Dark sorta vibe. Good stuff <3