There are two hitbox patches, one that changes the graphics and thus is inaccurate since EoSD hitboxes aren't fixed (like Sakuya's PCB but much worse especially on Marisa), and there's the DLL one that does track the true hitbox but crashes the game if you minimize/restore it in fullscreen.
I've seen some replay of a first Hard mode 1cc with Marisa where the player confidently goes through a wall in mid stage 6 Sakuya's non and on that case it's almost safe to assume, but most of the time, since it's a small change, we shouldn't really jump into conclusions like Emerald said, even spells like Maze of Love can be done from the bottom without hitbox patch without much difficult.