When I applied on Visa4UK it asked me to choose self-scan or send docs to NYC. I chose send to NYC but when I went to biometrics the "next steps" paper they gave me had more info on it regarding self-scan. It stated that as of Oct 31, 2018 it is a new option. I was torn between what to do but ultimately decided on NYC only because no one had experience with the self-scan yet. and I couldn't risk not being there by March 30th.
That makes complete sense for your reasons! Fingers crossed you hear something soon.
Hopefully by January when applications come back it will be more clean which is the fastest way. I like the idea of scanning the documents, sounds a lot safer. Fortunately we aren’t time sensitive, as we are getting on NYE while I’m visiting the US over new year. But the sooner the better definitely!
Yep.. same here... I did upload one page, think my sponsor letter ,just to get past that part. I can see scanning issues more with self-scanning as opposed to actually holding them and scanning them. Oh I agree, let us at this scanning business, we will have everyone finished in a day 
By scanning issues do you mean issues with getting accepted?
I spend all day scanning legal documents at work, some of them are appalling and not readable, no idea how people think they are acceptable.