Her release is definitely lower than you'd like to see, but she has a couple of things to help offset this. One, she has a very good handle and a quick first step going either left or right. Most of the time in the video, this keeps the defender honest so they can't be right up in her grill all the time. (And while this is obviously not D1 competition, Murry Bergtraum is no slouch at the HS level.) This gives her some room to get the shot off. Two, despite the lower release, she keeps her dribble alive until just before the shot and shoots quickly. Sometimes when a player picks up their dribble and prepares to shoot, it's a longer process.
While I agree the coaches will probably try to adjust her release, I think the bigger key will be can she still get around defenders at the next level? If so, then she will still have some opportunities to get her 3-ball off despite the release because she knows how to read her defender. If they sag at all, she will have shooting opportunities. If they play tight she can go by.
Lastly it looks like she keeps her dribble alive a little longer than most guards even when penetrating. When she makes a jump pass, it's very quick and right off the dribble again - I don't see her jumping first and then looking/hoping to find a recipient while caught up in the air. She keeps herself a threat to go all the way to the hole until the very last second.
She's got a lot of great tools and will be exciting to watch at UCONN.