Aperture Print Quality Change?

Has anyone noticed a change in the print quality from the latest version of Aperture? In particular I am printing a fall color image with a lot of yellows. It is coming out "muddy" and not crisp. For comparison, I downloaded a demo version of Imagenest. Images are coming out of Imagenest very close to the monitor representation. So it clearly appears an issue with Aperture. Additionally, in my estimation earlier prints done a few months ago didn't have an issue.