Alfresco 3.4.d is an update to 3.4.c primarily addressing defects. Please see the http://wiki.alfresco.com/wiki/Alfresco_Community_3.4.c for the details of the new features in the Community 3.4.c release.
This is a new feature added to 3.4.d Web Quick Start which has the ability to set the recipient of the “Contact Request†tasks. Setting the feedbackAssignee.Contact Request property on the “Quick Start Editorial > Site Configuration†asset allows a predefined user to be configured e.g. feedbackAssignee.Contact Request=username where username is substituted for the actual username of the selected user.
Alfresco community 3.4.d addresses bugs reported for previous community and enterprise releases.
For details on bugs fixed for this release, please see Jira 3.4.d issues.
Please see Alfresco Community 3.4.d Release Notes