6f21ed28_int_2013___My_SharePoint_Space__Description
[Feature] Visual Upgrade [Reason] The visual upgrade feature is replaced with deferred site collection upgrade. The site collection upgrade process is not reversible. The deferred site collection upgrade is a more comprehensive upgrade process than visual upgrade. [Description] 
The visual upgrade feature in SharePoint Server 2010 is not available in SharePoint 2013.
Deprecated Features in SharePoint 2013 | My SharePoint Space
Description