Update: This was fixed in February 2021 CU. We received several reports that the RSS web part is broken after installing December 2020 CU. This affects the SharePoint versions 2010, 2013, 2016 and 2019. The error in the UI and ULS log is similar to the following: RssWebPart: Exception handed to HandleRuntimeException.HandleException System.ArgumentNullException: Value cannot […]

Below are the security fixes for the SharePoint OnPrem versions released this month. SharePoint 2010 Suite: KB 4493149 – SharePoint Foundation 2010 KB 4486697 – Word Automation Services for SharePoint 2010 KB 4486704 – Office Web Apps Server 2010 SharePoint 2013 Suite: KB 4493138 – SharePoint Foundation 2013 (core component) KB 4486696 – SharePoint Foundation […]