You may probably be busy with downloading and updating to the latest released preview Build 10240, but if you are not you can update some apps on your Windows 10 running PC / Tablet. Some important apps like Outlook Mail & Calendar, Alarms and Clock and Phone companion have received updates.
What has changed is not clear but all the apps have seen jump in versions. So we may assume bug fixes and performance improvements.
Fire the store on your PC and check for updates.
