Changes the leveling mechanic. You will get experience right away while playing just like it was in PAYDAY: The Heist. Useful on heists where you're getting experience from objectives.
Your progress will be reserved right after getting experience (So crashes or accidentally closing the game won't waste your progress.)
Shows a message if you level up or reached a new Infamy rank.
Track your Rank, level and experience on TAB stats screen.
To get the money and perk points, you will need to complete the heist still.
After getting new Infamy rank in game, you still have to aquire unlocked Infamy rewards by yourself.