This is the new refactored version of Bullet physics library version 2.x Questions? mail blender at erwincoumans.com, or check the bf-blender mailing list. Thanks, Erwin Apply patches/ghost_softbody.patch to prevent softbodies being hit by ghost objects. Originally committed in blender svn revision: 43905. Apply patches/pvs_warning_fixes.patch to fix warnings reported by PVS-Studio. Originally committed in blender svn revision: 45908. Apply patches/make_id.patch to prevent duplicated define of MAKE_ID macro in blender side and bullet side. Sergey Apply patches/ghost_character.path to prevent characters from colliding with ghost objects. Mitchell