Annoying but not fatal bug uncovered in Aperture file size metadata.

The bug described below was found as a result of testing the relative print sharpness of the Aperture print routines. I printed an adjusted Canon 5D image with Aperture's print routine to a 4X6, 300ppi print output, then took the same image through P'shop, (as a PSD) downsized the file to the same dimensions and converted it to 8-bit color depth. Then printed the returned file through Aperture.
To my surprise when I was performing this comparison, I found that the file size shown in the metadata panel of the test file was not reduced, even though I had significantly downsized the file (from an "outbound" 72.2GB to an "inbound" file of slightly less than 7GB. So I repeated the round trip to P'shop, using the OSX Inspector to examine the relevant .approject size at three points in the workflow:
1) Before executing the "Open in External Editor" command;
2) After the PSD version had been created by Aperture; and
3) After re-sizing the file in P'Shop and saving it back to Aperture.
The net of the test was as follows:
1) The size of the base (pre-export) .approject increased by approximately 72.2GB when it created the 16-bit PSD file for export to P'shop - exactly what the metadata showed and what I expected for a 5D file at 16-bit color depth.
2) When the resized file was returned from P'shop, the base .approject file was now only 7.5GB larger, indicating the size of the returned file was in fact reduced by the downsizing.
So the problem is not creation of an abnormally large Aperture PSD file. The metadata file size is simply not updated when the downsized file is returned from P'shop.
I submitted a bug report to Apple on this, but I'm not sure what priority it will get. So this is an FYI in case others have observed a similar phenomenon and been concerned about it.
BTW: The file downsized via the P'Shop round trip was noticeably sharper on printing (from Aperture) than the print produced directly out of Aperture. So it appears the print output sharpening routines in Aperture still need considerable improvement. That's the improvement I'd rather have Apple spending their time on than an anoying but not fatal bug in file size metadata.
Mike
PowerMac G5 Dual 2.0GHz, Radeon X800XT Graphics Card; MacBookPro 2.0Ghz Mac OS X (10.4.6) iMac800 and Powerbook G4 also in household

I was trying to imagine how you were managing taking more than a few photographs if your files were increasing the space take by 72GB a pop.
I was also imagining a camera the size of an aircraft carrier.

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