Only the camera from View3D.localvd is used, other pointers may be invalid. Longer term we should probably clear these to ensure no accidents. For now just follow the rest of Blender's code and don't access.
Only the camera from View3D.localvd is used, other pointers may be invalid. Longer term we should probably clear these to ensure no accidents. For now just follow the rest of Blender's code and don't access.