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 […]
Update: This was fixed in December 2020 CU. October 2020 CU introduced a regression in the file upload functionality which may result in errors when you upload a file that’s larger than 100 MB to a document library using the classic UI. The same problem also exists in November 2020 CU. The error visible in […]
After reading this blog post, please also have a look at the following article which includes a recent improvement for PageParserPath September 2020 included a several important security fixes for all supported versions of Sharepoint (2010, 2013, 2016 and 2019). Some of these security fixes have tightend the security requirements for 1st party and 3rd […]
