14w32d Sneaking isn't smooth since Minecraft 1.8

If I play on the newest Snapshot and I sneak it doesn't look smooth

(Sorry I am German and I don't speak english very good )

Here is a Video where I show the bug:

http://www.vidup.de/v/cZygP/

If you cannot use the link, look at the Attachment

I hope you can fix that bug

Greets,
Anton aka. Molaron