* Improved HDMI audio device performance: there’s a small update that helps reliability of HDMI audio devices after rebooting. This is listed as a feature in the release notes, but really feels like a bug fix.
* Corrected behavior when printing mixed-orientation XPS documents: If you’re trying to print XPS documents that have landscape and portrait pages in the same document, now they will print correctly. All 5 of you can now rejoice.
* Change to behavior of “Restore previous folders at logon” functionality: If you used the “Restore previous folders at logon” feature in Folder Options, the folders would restore into a cascaded set of windows. Now they will restore to where they were.
* Support for Advanced Vector Extensions (AVX): supports a newer processor extension that improves performance for floating point intensive applications.
* Improved Support for Advanced Format (512e) Storage Devices: hard drive manufacturers are transitioning to a new 4KB physical sector size, and now Windows 7 supports this better.