U.S. Citizenship and Immigration Services (USCIS) has announced that it is experiencing a tremendous increase in the number of applications filed, which has resulted in a front log of cases awaiting data-entry. USCIS' announcement and latest weekly update about current receipt times and service level commitments can be viewed here. This USCIS notice contains information about completed data entry and receipt notices issued for applications and petitions received on or before the dates indicated in USCIS' notice.
CIS Frontlog Notice