Head over to Hollywoodreporter to read about the new rules and outlines for animated features and VFX movies.
This is really interesting:
Also, as movies like a "A Christmas Carol" and "Avatar" break new ground with motion- and performance-capture techniques, the Academy has ruled that motion-capture alone is not an animation technique, stipulating that animated films must be created frame by frame.
The rule now reads, "An animated feature film is defined as a motion picture with a running time of greater than 40 minutes, in which movement and characters' performances are created using a frame-by-frame technique. Motion capture by itself is not an animation technique.
You know, that's a good thing. If studios want the award for the feature category, they can't continue to advertise mocap as this magic tool that does everything for you. Mocap gets so heavily tweaked by animators that it eventually turns into frame-by-frame technique anyway or it gets dumped from the get go. And I'm not even going to talk about creature work (wait, they didn't mocap the banshees in Avatar???).
So if they want the award, they have to admit that and stop using those buzzwords like "cutting-edge technology". Yay for keyframe!