The fact that there isn't any proper communication from the developers is highly concerning to me as a paid customer. Proper communication would have gone a long way to calm your userbase. Very unhappy with this debacle.
If it's that big of an issue you should have an announcement banner on your website so people don't have to go grasping at straws, as to what the issue is.
Not everyone will go check twitter like i did:
I solved the issue by installing the non-store version for now.
Enpass you need to step up your communication game if you don't want to loose your customerbase.