I absolutely love the H5 multiplayer, I already spilled my guts on the other thread about how I like the mobility (but it needs tweaking) In short the key to H5's mobility is balance, its not chosen or limited, everyone has the same balanced sandbox. Infinite can improve on this balance. I would not shed a tear for spartan charge though. I don't understand those who think it doesn't play like halo, it does, it really does. Halo is not about being slow. Everything that makes halo halo is in halo 5. In some ways its just cranked to the max, that happens when you have a reasonably balanced sandbox.
About the sandbox, I love that FINALLY the magnum is useful, without being a power weapon (looking at you CE) but I agree that the BR was overly nerfed. I want to see the BR beat the magnum in over 50% of gunfights over 10 m away. That's pretty reasonable. Everything else falls into place well. The SMG was nerfed a tad much too I guess. In short, no halo has a perfect sandbox, but H5 in my opinion has come the closest to a balanced sandbox, and that's a testament to the game because it also has the broadest selection in competitive playlists. The mobility options actually help this too, the more skilled player almost always wins, as they should, you can combine superior mobility, superior map control to compensate whatever marginally inferior weapon you have. Halo 3, BR or die, halo 4 BR/DMR or die, Reach DMR. In halo 5 it doesn't matter what you have in your hands, you are not safe from a superior player with a slightly inferior weapon. That is halo. You should never feel safe from the better player, even when you got the first shot or 2.