In 1.8 i have been experiencing "mouse jumps". .

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Bascially i will move my mouse at the same speed and all of a sudden it will move more than what i moved it. What i am saying is that it seems like the sensitivity goes up for a second and its fine the next second. Then it will jump again. It doesnt really happen indoors but that is most likely because of the close quarters. It keeps jumping and it is very hard to deal with when fighting zombies. But im not sure but I "think" it I only notice it in singleplayer.
What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. go into a singleplayer world and just play and you will notice the jump.
3. ...