Microsoft released a new Windows 10 Preview Build to the Windows Insiders in the Dev channel. The new build 20226 comes from the rs_prerelease branch, which is where the new features show up first. With this build, Microsoft is rolling out multiple improvements to Windows 10, including one new feature to the Storage settings page.
The new feature adds a storage health monitoring system, that has been designed to detect hardware abnormalities and protect your data. To know more about this feature, and other changes, continue reading further.