In this build, which was sent out to Microsoft partners, the only updated item from 10049, from a design perspective, is that the file picker that was used in apps in Windows 8.1 has been dropped in favor of the more traditional file dialog box. This is a small change but once again shows how Microsoft is moving towards a common UI across the entire OS instead of having two distinct operating areas like Windows 8 offered.
We don't expect this build to be released to Insiders but seeing that the change log has been posted, we suspect that screenshots will surface in the near future. Even if the shots do surface, we don't expect these screenshots to show off anything remarkable.
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