I have the new 15" (after using the 2013 version almost since release) and I haven't noticed a disparity in bugs - both have been extremely reliable machines.

I have the new 15" (after using the 2013 version almost since release) and I haven't noticed a disparity in bugs - both have been extremely reliable machines. That touch bar thing has never happened to me. Still hate it, though. :) This sounds like you should just take it in for a replacement to me.