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I think we'll at least 1 or 2 more betas before public release of 12.4 so end of June is my guess.

I think they said “Summer” for Apple Card, and they usually aren’t loose with what they mean, so sometime after the Summer Solstice. I’d guess a window of 6/24-26 or after 7/8. My money says the first window.
 
Beta 4 needs more work. I had to revert back to 12.3.1 because of frequent disconnects. Or the phone showed full LTE and nothing data-wise would register and work. Super odd.
 
Beta 4 needs more work. I had to revert back to 12.3.1 because of frequent disconnects. Or the phone showed full LTE and nothing data-wise would register and work. Super odd.
That’s not necessarily an iOS issue. Last week, AT&T had tower issues in my area and I had full service, but there was absolutely zero data transfer. So it could have been network related. (I’m on iOS 12.3.1).
 
It feels like 12.4 was go go go and now all of sudden its stop stop stop. Don't get me wrong, I want to it to be stable and not problematic, but I really am surprised with no beta 5 so far this week.
 
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