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Played around with it some more over the weekend, seems pretty stable. I have an old computer (Windows 7) used for a file server at home, and accessing the files on it was super easy. I could see an iPad replacing my wife's laptop in the future, especially with mouse support (which I still need to try).
 
The only major bug that I’ve run across (and it happens randomly) is when I’m using safari and the page has a drop-down menu, I can’t click the tab to expand the menu.

For example if I’m on guitarcenter.com, I can’t click instruments to take me to guitars. It’s not clickable. I force close safari and it doesn’t change it.
 
I’ve had it installed on my 6th generation iPad and so far except for the mail app being a little sketchy... I love it. I like having the calendar and weather on the home screen, and no difference noted in battery life... course the iPad is only 2 weeks old.
 
The mail stuff is really not great. If you want to delete emails from an imap account, it is super buggy. Safari is somewhat unstable. Other than that, individual apps (Calendars 5, Cardhop) can be unstable and quit on you. Personally I’ll take all the glitchyness for all the home screen extras, dark mode, and more authentic desktop browser.
 
Lightning to projector connection is broken in Beta 2. The rest are ok for me.
 
I had to restore my iPad to default a little while back. As its a lightly used device, thought I'd stick the PB on there. Been fine for me. I don't use Mail though so haven't experianced any Mail bugs!
 
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