I have had several Notes hangs over the last few days. I was able to grab a Sample…
Subject: Nothing
Honestly,… I wasn’t using Notes at the time. My screen saver hadn’t kicked in, but I was away from the keyboard for a while and when I came back, Notes had a spinning beach ball and was hung. I believe that Notes was the front-most app at the time.
Subject: What were you doing when got the hang?