I stumbled upon a fix for the "snip" problem I was having.
I wanted to change a notification for an unrelated app in settings. I happened to notice that notifications were turned off for Snip & Sketch (pretty sure I didn't do this), but maybe latest update did?? Anyways I turned notifications on for snip & sketch and "snip" worked for me again.
Hope this might help others.
Ahhhh Notifications they worked 4me2 ! Thanks. (6 hours of frustration)