I've been using Temporal Guard (Undo morph) as my main defensive ult on my stamsorc for at least half a year. Today I come on to try the new changes on live and this happens:
https://youtu.be/XzJQT0cF3yM
I used the ultimate 5 times over the course of my first hour of playing and this bug happened to me 3 out of the 5 times. I had to unslot it because it effectively just makes me CC myself and was getting me killed.