This release (v220.127.116.11312111003) extends support to sites based on Document Center site templates.
There are some other issues fixed and new features implemented. Please see release notes here: http://www.metavistech.com/release-notes-information-manager
To upgrade the software download the update using the original link you received in the email. Extract ZIP on the SharePoint server hosting Central Administration WEB Application, run setup and select "Upgrade" or "Repair" option.
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