Many members of my club reported the same issues. To be specific though:
1. it's when you open chat - lag 1 to 2 seconds - you can literally see the chat box partially draw freeze, then eventually finish drawing.
2. it's when you collect items from a factory or collect something in a store again 1 to 2 second lag.
3. it's randomly every 5 to 10 seconds when doing almost anything, scroll across your city, or anything, again 1 to 2 second lag.
It's not quite completely unplayable. But many of my club decided to just take a few days off from CoM or War until this snow flake thing is gone. None of the prizes are even remotely interesting to any of us in our club anyway.
EDIT: opened this issue as support ticket# 335852.
-Michael