Contrary to what people want to believe, people have personal lives to tend to as well.

I agree that rolling out an unfinished product is not a good look.  But as with everything in crypto, bugs need to be worked out and things need to be polished.  No one can deny the fact that DEV has been active and dedicated.  I will ALWAYS put money on that. 

Give him some time, Polo and/or Mint is next.