I haven't heard the new one yet, but Relapse was the last album i've heard from him (unless that was the last one, idk i don't keep up with dude). Although I don't believe in what was going on in that album on a deeper level, I still thought it was DOPE for what it was.
But I will say that to whom much is given, MUCH is expected. If ANY of his albums were the 1st time most people has heard of Eminem I think these opinions would be vastly different because dude has that much skills. It's just that we're expecting him to power up 10,000 levels more from the last album every time and that's just impossible. He IS still growing, it's just that he's spoiled our ears so much in the past that we're being brats about it imo.