Hey, just letting you know that in our company we have the exact same problem right now. Affinity Designer would really increase my working speed heavily but the only thing that really stops me from using it is that the text is not exported as text. For projects where I can work completely on my own I use AD but whenever I have to work with somebody else, they'll complain that the text is not editable in Photoshop.
Seriously, this is a much huger issue than you guys think it is since it's the only reason I can't use AD full time. I'd appreciate if you guys could come up with a solution for this sooner rather than later. On everything else: really good job guys! :)