Further information :

Patch Note of the Definitive Edition.

-Removed a certain arrow that was confusing players about the secret exit in Piranha Groove Lake
-Changed the star block position in Pokeyhead Oasis, it was way too close to the end of the level.
-Fixed a bug in the first section of Wendy's Conveyor Castle where the came scrolls to a unused part of the level after the door.
-Fixed a bug with the red switch blocks in Night time bullets
-Changed the lineguide lines so the player can actually see them in Night time bullets
-Removed some blue switch blocks at hop hop donut hills, that were giving easily free lives.
-Reduced the dificulty of the second half in the second half of Bowser Jr's Fort#1
-Reduced dificulty in the tower of agony, it was nearly impossible without save states.
-Fixed the bug where the blue koopa get stuck in a wall after kicking a shell in Spooky switch house.
-Added arrows on ghost houses with secret exits to indicate that it has an alternate path to be found.
-Added "Definitive version" at the Title Screen.