The Dynamics GP Support and Services blog has more information about 2011 Year-End updates including What and When Microsoft is Releasing.
2011 Year-End What and When is Microsoft Dynamics GP Releasing? – Dynamics GP Support and Services Blog
Year-End & 1099Microsoft & the GP Ecosystem
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.