I'm at the one guardian shield change:
-Guardian Shield now halves the duration of slows and roots.
I took a look at Chrono Boost since this seems to be the closest thing (that I can think of anyway). This affects the Unit's Time Scale. I haven't tested it out to see if this would affect everything relating to time (movement speed, attack rate, etc) and I doubt that it does, but even if this does change the length of effects currently on the unit, it would affect more than just root and slows, including good countdown effects.
Anyone know if you can make a behavior target specific kinds of effects?