This update KB5000842  includes the following:
 

  • Updates an issue with zoom that occurs when using Microsoft Edge IE Mode on devices that use multiple high-DPI monitors.
  • Updates an issue that makes high dynamic range (HDR) screens appear much darker than expected.
  • Updates an issue that causes video playback to be out of sync in duplicate mode when you use multiple monitors.
  • Updates an issue that displays nothing or shows “Computing Filters” indefinitely when you filter File Explorer search results. 
  • Updates an issue that makes the split layout unavailable for the touch keyboard when you rotate a device to portrait mode. 
  • Informs users when a child account in the Family Safety plan has administrative privileges.
  • Updates an issue that prevents you from closing Toast Notifications using the Close button on touchscreen devices.
  • Updates an issue with 7.1 channel audio technology.
  • Updates an issue that causes a device to stop working if you delete files or folders that OneDrive syncs.


Applied for

  • Windows 10 servicing stack update - 19041.903 and 19042.903
  • Windows 10, version 20H2
  • Windows 10, version 2004



How to get this update

Windows Update or Microsoft Update:
Go to Settings > Update & Security > Windows Update. In the Optional updates available area, you’ll find the link to download and install the update.

Microsoft Update Catalog:
To get the standalone package for this update, go to the Microsoft Update Catalog website. Or directly link as below:
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000842

 

Conclusion:
Also you can refer directly to the Microsoft homepage as below:  

https://support.microsoft.com/en-us/topic/march-29-2021-kb5000842-os-builds-19041-906-and-19042-906-preview-1a58a276-6a0a-47a5-aa7d-97af2d10b16d