Just finished Deus Ex: Mankind Divided.
Overall, I found it a very worthy successor to HR and don't feel I wasted a single cent. It's not quite up there with MGS-V, but the mechanics are good and the storytelling excellent. I found the story missions to be well-rounded and exciting and easily got into this "Find every scrap of info, hack every Terminal you can find, LOOT EVERYTHING!!!!"-Deus Ex feeling. And the side-missions are even better than the main ones , some really give you a "Adam Jensen, PI"-feel.
Sneaking/cover system takes a bit getting used to after MGS-V, and has one minor little flaw, but is fluid & intuitive on the whole.
I played "(involuntary) non-lethal"- stealth, maybe because the exp-rewards in HR were so grossly in favour of non-lethal - and to some extend, they still are. Like when you dispose of a guard that stumbles over you in Counter-Strike "Two in the body, one ..."-fashion, you get e.g. +30 exp, while a non-lethal takedown from behind earns you +50.
Which is a bit frustrating, since I'm one of those people who really can't resist the F5-key. IMO, that's one thing - the save-system and the rewards-system - that MGS-V does better: You still have an incentive to go stealth, but what's better than going stealth, being found out at the last friggin' moment, and having to shoot your way through?
DX subtly primes you to reload often, especially whilst hacking, and that sadly takes a bit of those "190 BPM heartrate" moments out of the game.
It has some little issues technically, if I'm correct - it really takes a lot of RAM, and the loading-bar between areas reminded me of the good old C64 times.
Ran it on a i7-4770K @ 3.50GHz, 8GB RAM, GTX 960 and had some "reload-freezes" - like the framerate is totally fine, but it just "hangs" for a split second every so often.
The really bad shit from the first days that earned it so much flak on STEAM seems to be largely repaired - I had no crashes, and no mouseaccel (I use a reg-fix, though).