Here are some of the changes in A6:
Overhauled B into a new building!
Busted down the wall and changed the catwalks inside the building after A.
Added a new spawn exit for red.
Also made the spawn exit introduced in A5 more noticeable
Added a new building at A
Shortened setup time and red's respawn times
Made the jump pad easier to use
Added nobuilds to various locations
Messed with the lighting a bit
Added more props/details