Q A is blackjack as far as I know.
Fix your software.
As far as I know if you play for example in real life with a dealer then you have a chance to Hit one more, even with blackjack. Should this be different when it is digital?
BlackJack.fun's team should reply transparently and comprehensively about the bugs (if they are really bugs) mentioned above.
Such a young site should be managed well in the communicational approach to community, no matter what kind of issues are.
There are 4 decks in game. It is normal to see same A and A