I don't know if these things were on the list of things to get fixed in this patch (1.4.0), but if they were, they did not get fixed for me. Mouse acceleration is still there and stuttering is still very rampant.

AMD FX8350 4GHz CPU
ASUS Sabertooth 990FX R2.0 Motherboard
8GB Kingston HyperX 1600Mhz RAM
EVGA GTX 970 FTW Video
Logitech G9X Mouse