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Introduction
These Technical Notes provide documentation of the changes made between release 4.0 and release 4.1 of Red Hat Virtualization. They are intended to supplement the information contained in the text of the relevant errata advisories available via Red Hat Network. Red Hat Virtualization 4.x errata advisories are available at https://rhn.redhat.com/errata/.
A more concise summary of the features added in Red Hat Virtualization 4.1 is available in the Red Hat Virtualization 4.1 Release Notes.

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