We know this fixes the blank Fine Tuning screen.
RomeE is working on a change a log, so once he has it available I'll update this page.
I know this morning they were having some issues, so it will be interesting to see what all this update included.
Click on the App Store applications and Check for Updates, it should show up for you to download.
Here is the update info: Sorry I don't have time to type it, so I just did a screen rip.
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iPhone 4 32GB, Black,
iPad 32GB 3G/WiFi
MacBook Pro 2.27GHz, nVidia 256GB, 4GB Ram, 320 GB HD
Mac Mini (Home) 2.53GHz 4GB Ram, 500GB HD