To be fair, and to use your words, the only "hitch" was the old smash animation. Word on the street was that it could occasionally occur when rapidly spamming keybound icons. So in other words...
Do you button mash much? Hilarious.
My jug is smooth as silk. I think that you are wasting yer time.
If you are mouseclicking your abilities, this may not actually be an issue.
I know that I have my abilites keybound, and I do indeed get hitching on those two abilities.