• Update to version 2.75
• Remove the DEBUG option, since it only makes sense, if everything is built with WITH_DEBUG

Blender 2.75 comes with many new features and hundreds of bug fixes:

• fully integrated multi-view and stereo 3D pipeline, including shutter lenses, interlaced modes and more
• heavily improved cycles rendering, especially for light sampling and seeds
• improved modeling modifiers as well as a new corrective smooth modifier
• mist attribute animation in the game engine
• improved 3D view painting

Changelog: http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.75