The TileDataLayer model (%LOCALAPPDATA%\TileDataLayer\Database) that worked on previous versions of Windows 10 has been removed from fall creator (v1709) and our current Citrix User Profile Manager customization to make Start screen/Modern Apps work are no longer applicable.
Install KB4089848 on Win10 version 1709: https://support.microsoft.com/en-us/help/4089848/windows-10-update-kb4089848. You Can download the KB from here:
https://www.catalog.update.microsoft.com/Search.aspx?q=KB4089848
MS known issue KB4089848 for Win10 start menu tiles in version 1709: Addresses issue where tiles in the Start menu aren't preserved when upgrading from Windows 10 version 1607 to Windows 10 version 1709.