I just installed it too. It is fluent and stable so far, but I'm surprised there's no swipe actions for upvoting, downvoting, saving, etc like some other clients have.
I'd say my favorite Lemmy app is still Liftoff, but I'll keep testing this one out for a bit.
That's something that was also missing from the original boost, you'd have to open each account to check if there were notifications. I'm really hoping they bring over a similar functionality as Connect, right now I'm opening connect when I want to double check notifs