I forgot most of the changes I made because I made B9 after testing B8 but then didn't upload it so I went back to B9 recently and did some further changes.
But most of the changes revolve around the area between A and B, shortening the area, repositioning the stairs to reduce the time to get from the Triangle Room to the balcony above, and hopefully making it easier to push from the Triangle Room into B by opening up the following hallway.
Oh, I also killed the platform at BLU Spawn because I don't feel like it is gonna fit the new outside artpass. RIP Funny Platform.