https://wccftech.com/windows-10-kb4535996-is-now-out-for-versions-1903-and-1909/

Microsoft has released its now-routine second batch of Windows 10 cumulative updates for the November 2019 Update and the May 2019 Update. Builds 18362.693 and 18363.693 fix a number of issues being faced by the latest versions of the operating system.

These include fixes for an issue that prevents the Windows Search box from rendering properly;  a bug that could cause Microsoft browsers to bypass proxy servers; a Windows 10 bug that prevents the printer settings user interface from displaying properly; bug that prevents some applications from printing to network printers; bug that prevents ActiveX content from loading, and several other issues.