I have been using it for more than a week. Autofocus only slightly faster than my Fuji XE1. So I suspect it must be 'slower' than X100S and 'significantly slower' than X100T. When indoor/low light, it hunts, just like my XE1.
But even before getting this camera, I have already known I will get a slightly inferior autofocus and inferior ISO performance compared with similarly priced camera, like RX1. I was considering RX1R too, but I know in the near future I will still want a Leica, and that Leica in future will still be slightly inferior to Sony or Olympus cameras at similar price. In my opinion, buying a Leica actually fulfilled my 'want' rather than my photographic needs.
Leica has managed to build a reputation, quite close to Swiss watches. An automatic Swiss watch is likely less accurate than Citizen and Seiko, but a lot people still want it.
The other aspect, it is F1.7 only when the subject is at least 4 feet away (with my camera it is around 1.4m). I don't think Leica is 'lying' like mentioned by other forumers online but it is definitely trying to downplay that aspect. The minimum aperture issue was already stated and mentioned by one of the earliest Leica X tester, reviewer Jonathan Slack on its website;
http://www.slack.co.uk/2014/Anna-Louisa.html
I guess anyone who wanted this camera would have read the 4-5 reviews available online. Yes, up till now, only 4-5 reviews on X Typ 113. And most of the reviews did mentioned it is not really F1.7 when the subject is less than 4 feet.