As tends to happen towards the end of a month, Microsoft has released a couple of cumulative updates for Windows 10. These are called cumulative update previews, as they're completely optional and the changes in them will be rolled into next month's Patch Tuesday. The Windows 10 versions getting updates are 1909 and 1809, and the updates bring them to build number 18363.1766 and 17763.2145, respectively. These versions of Windows 10 are only supported for Education and Enterprise (for version 1909) and LTSC (for 1809) customers.

For Windows 10 version 1909, the update is labeled as KB5005103 and as mentioned above, it changes the build number to 18363.1766. You can download the update manually here, and it has these highlights:

  • Updates an issue that prevents the Windows Movies and TV app from playing some videos (.mp4 files).
  • Updates an issue that resets syncing for Microsoft OneDrive to “Known folders only” after you install a Windows update.

The full list of fixes in this update can be found below:

Microsoft isn't aware of any issues with this update.

As for users on Windows 10 version 1809, they're getting an update labeled KB5005102, which brings them to build number 17763.2145. You can download the update here, and it includes the following highlights, on of which is the same as for version 1909:

  • Updates an issue with using the slider control on the File Open or Save dialog when the system language is set to Hebrew. Options about the size of the file and other details are missing.
  • Updates an issue that resets syncing for Microsoft OneDrive to “Known folders only” after you install a Windows update.

The full list of fixes can be found below:

Unlike Windows 10 build 18363.1766, this update does include a couple of known issues. Here's what you'll need to look out for:

As mentioned above, these are optional updates, so you don't need to go and get them. All the changes here will be rolled into next month's Patch Tuesday, so you can just wait for that. And speaking of waiting, Windows Insiders still haven't had a Windows 11 build this week, though there's still a chance we'll see the rare Friday build.