https://support.microsoft.com/en-us/topic/description-of-the-sharepoint-workspace-2010-hotfix-package-groove-x-none-msp-april-9-2013-4789a83c-bf90-492e-bf55-39efada8d9ef
Describes the SharePoint Workspace 2010 bugs that are resolved in the hotfix package that is dated April 9, 2013.
sharepoint workspacedescriptionhotfixpackagegroove