According to MacFixIt:

Apple has quietly released version 1.0.2 of its beta Boot Camp software for running Windows XP on Intel-based Macs.

Apple has provided no documentation regarding enhancements in this release. The disk image download itself has a modification date of July 10th (yesterday) at 9:17 AM, but the files therein -- including BootCampAssistant.pkg, the installer for the Boot Camp Assistant -- carries a modification date of June 19th.

The new release is available as a standalone download from Apple's Boot Camp page.