Windows 10 Insider Preview 19635.1. mn_release.200522-1435.

Good morning, friends! Microsoft has released a new pre-build of Windows 10 under the number 19635 for Windows Insider program participants using the “Early access” channel (Fast Ring).

Full build number: 19635.1. mn_release.200522-1435.

For the original, see here Announcing Windows 10 Insider Preview Build 19635 | Windows Experience Blog

Some insiders may notice that since the previous build, the branch name has changed to MN_RELEASE. As already reported in December, the “Early access” channel releases build from the Active development Branch. In this case, the company practices the ability to change the branch that is considered an active development branch. This is a short-term change, so builds from RS_PRERELEASE will be released again very soon. Since engineers work in different branches within the development cycle, it is possible that in the future it will be necessary to move insiders between these branches. MN_RELEASE builds do not relate to any specific version of Windows 10.

We remind you that the “Early access” channel releases build that may contain rather unpleasant errors. If you need more stability, we recommend switching to the Slow (Late access) or Release Preview channels.

Windows 10 Insider Preview Build 19635 Announcement
Brandon LeBlanc / Senior Program Manager, Windows Insider Program
Hello Windows Insiders, today we are releasing Windows 10 Insider Preview Build 19635 for Windows Insider s in a fast ring.
You can view our Windows Insider documentation here, including a list of all new features and updates released in builds so far.
You don’t see any of the features in this build? Check the Windows Insider settings to make sure that you click on the quick ring. Send feedback here to let us know if things didn’t work out as you expected.
If you want to have a complete look at what build the insider ring is in, go to Flight Hub. Please note that there is a slight delay between the build flight and the Flight Hub update.


  • Fixed an issue where apostrophes were displayed incorrectly in the “Location unavailable”, “Mount file” dialog boxes, and in the folder settings text in “Explorer”.
  • Fixed an issue where the “work or school account” > “Allow Windows Search service to provide…” function was unexpectedly disabled in “Settings”.
  • Fixed an issue where the cellular network didn’t work on certain devices.
  • Fixed an issue that could cause the Settings app to crash when changing the orientation or screen resolution.
  • Fixed an issue where some insiders observed a large number of critical events “the program compatibility assistant service stopped working” in “event Viewer”.
  • Fixed an issue that could cause displays to constantly blink on some devices.
  • Fixed an issue with unexpected artifacts appearing when using the camera on some devices.

Known error

  • We are investigating a problem that may cause some devices that have an operating system loaded from eMMC drives to encounter GSOD when exiting hibernation mode.
  • We are investigating reports that the system update process may stall for a long time when trying to install a new build.
  • Microsoft is working to fix an issue for future insider builds that caused the Documents and Downloads sections to display an incorrect icon (a simple rectangle) in the privacy settings.
  • We are investigating reports that the preview thumbnails on the taskbar are displayed incorrectly (an empty area is displayed).

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Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version Next for x64 (KB4555452)

We wish you a successful update!