Getting to level 11, when the classes start to open up and feel better to play, is a bit of a slog and kills some enjoyment of the game. It’s slightly faster than the CBT, but running these lengthy missions for half a level of EXP and another grey weapon feels awful. It almost instantly felt like a grind, and not the good kind. The speed of progression should be at least doubled.
Up until level 10-15ish , rank 2 missions should give at least one level, followed by rank 3s. This will help encourage people to play with and progress the other classes, and play more of the game in general.