It looks like aside from the
"GA Rollup A" Update - which should become available in Windows Update soon - all of the core apps for Windows 8.1 are also getting a refresh for todays 7am ET GA release of Windows 8.1.
To get the updates, open the
Windows Store app >
Charms menu > select
App Updates, and then check for updates. The 19 updates include enhancements and fixes made from the
original release of Windows 8.1.
