I registered on this forum just to say that i understood how to apply this patch, since i had issues with it. (i'm playing on latest game version - 1.0.4)
So, AHatInTime-60FPS-1.0.4 worked for me after i deleted "010056E00853A000" folder in atmosphere/contents, removed save files and applied...
Sure, if you really want/"need" the highest quality there is you can grab remuxes. But will be pretty big file sizes, so disks can be better in that regard.
But piracy is free so...
some bluray rips are kinda crappy, remuxes are a more safe bet, but i usually don't have trouble finding a good rip, there are certain groups to avoid and some to look out for