First of all, I must warn you, that I don't have any 'bad' news for you about the uCoz company As you know the ICO of ours is taking place and is doing pretty good.
Also, there are updates for both uCoz and uKit (actually two for uKit)
As for the
I've forwarded your suggestion to our development team and they will consider the possibility of adding it to uCoz.
AMPed (Google's Accelerated Mobile Pages)
Also, you have asked about some major updates, as far as I know, this year the Online Shop module will migrate to the new CP and the universal module is in cards as well.
Besides, since you're a VIP user you can contact a manager in charge directly and he'll do his best to provide you with all the answers.