Windows 10 Build 19631 20H2 Changelog [Fast Ring]

Windows 10 Build 19631 20H2 Changelog that includes every fix, improvement, and feature.

Windows 10 Build 19631 20H2

Fast Ring Insiders again receives an update Windows 10 Build 19631 which is a combination of features, fixes, and issues as well. The update made ARM64 VHDX available for download with enhancements in Windows Hello and Windows Sandbox WSB files as well.

But as the Fast Ring rollouts include some bugs, this patch also carries certain issues with it. However, thankfully, Microsoft fixes some of its previous problems of IIS configuration, keypress, and Remote Desktop reliability also. The below section of this article covers all the details that Windows 10 Build 19631 holds. So let’s begin –

Windows 10 Build 19631 20H2

Here is the list of modifications, fixes, and issues that build 19631 offers –

ARM64 VHDX available for download

ARM64 devices like Surface Pro X running the Pro or Enterprise edition of Windows 10 received the ability to install Hyper-V on ARM64 with the Build 19559. But with this rollout, the giant software offers the ARM64 VHDX for Windows 10 Insider Preview Build 19624. With this ability, Insiders can run Windows 10 as a guest OS in Hyper-V. However, to download the VHDX, click here. While moving forward, the team will keep releasing updates on VHDX downloads for later Insider Preview Builds.

Noteworthy is Hyper-V on Windows 10 ARM64 devices will only operate on Windows 10 Insider Preview Builds 19559 and higher. Ensure that nested virtualization is not supported.

General modifications and enhancements

  1. Windows Hello will now onwards functions well with 940nm wavelength cameras as this release updates its configuration.
  2. Windows Sandbox WSB files will become case insensitive with Windows 10 Build 19631.


  1. There was an issue that leads to the IIS configuration being set to default after installing a new build. Thankfully, Microsoft fixes this problem in this release.
  2. In certain situations, the keypress fails to wake up the device from connected standby. However, Windows 19 Build 19631 resolves this issue as well.
  3. The impact of Remote Desktop reliability also gets a fix.

Issues in Windows 10 Build 19631

  1. Certain devices booting from eMMC storage may encounter bug check when resume from hibernate.
  2. An attempt to install a new build may experience a prolonged wait for the update procedure to get complete.
  3. The team is trying to fix an issue where certain Settings sections display a broken icon. The Windows Settings => Privacy => Documents and Downloads section only displays a rectangle adjacent to their page name.
  4. The taskbar preview thumbnails fail to render persistently and only shows a blank area. However, the team is investigating the reports to resolve the problem.

Source – Windows Blog

That’s all!!

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Topics:  Windows Insider
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.