I am sorry, if the issue was already reported. Sitting on a train and reading my notes while encountering the issue.
Since the last update of the iOS Version, I can not add any images from the library or photos from the camera to a new or older note. The app just get stuck in the editing mode and I can not even go back or dismiss the keyboard.
Everything else works just fine.
Greetings from Germany
Version 4.1.0 (91)
iOS 14.4.1 (18D61)