Microsoft has released Windows 10 build 20211 to the Dev channel

A new build hits the Dev channel, bringing a few changes to Windows Insiders. It is notable for searching the lists of file types, protocols, and apps on the Default apps page in Settings, and for the the ability for users to attach and mount a physical disk inside of a WSL 2 distro.

What’s new in Build 20211

Adding Search to the Default Apps pages in Settings

After making some updates to help improve performance, this change to enable searching the lists of file types, protocols, and apps when setting a default is now rolling out to all Insiders in the Dev Channel – thanks everyone who’s shared feedback along the way.

Search Default Apps In Windows 10 Settings

Access Linux file systems in the Windows Subsystem for Linux

This latest insiders preview build adds the ability for users to attach and mount a physical disk inside of a WSL 2 distro. This enables you to access file systems that aren’t natively supported by Windows (such as ext4). So if you’re dual booting with Windows and Linux, and are using different disks, you can now access your Linux files from Windows! To learn more about this feature please read this blog post on the Windows Command Line blog.

Updates for developers

The Windows SDK is now flighting continuously with the Dev Channel. Whenever a new OS build is flighted to the Dev Channel, the corresponding SDK will also be flighted. You can always install the latest Insider SDK from aka.ms/InsiderSDK. SDK flights will be archived in Flight Hub along with OS flights.

Fixes

  • Fixed an issue where certain 32-bit applications running on a 64-bit OS do not get properly promoted to the discrete GPU for hybrid configurations.
  • We fixed an issue that could result in Start menu tiles continuing to display an “app update in progress” progress bar after an app had already finished updating.
  • We fixed an issue that could result in some of the app icons in Start appearing unexpectedly tiny.
  • We fixed an issue on ARM64 devices resulting in Start crashing on launch the next time it was opened after launching certain apps from Start and then closing them.
  • We fixed an issue that could result in the lock screen hanging.
  • We fixed an issue that could result in ShellExperienceHost.exe hanging.
  • We fixed an issue where hero images weren’t showing up in notifications (for example, when taking a screenshot using WIN + Shift + S).
  • We fixed an issue from the last few flights that could result in Windows update getting stuck while downloading the update.
  • [ADDED] You will no longer get asked to reinstall a .NET update after each flight.

Known issues

  • We’re looking into reports of the update process hanging for extended periods of time when attempting to install a new build.
  • We’re working on a fix to enable live preview for pinned site tabs.
  • We’re working on enabling the new taskbar experience for existing pinned sites. In the meantime, you can unpin the site from the taskbar, remove it from the edge://apps page, and then re-pin the site.
  • We’re investigating reports of some Office applications crashing or missing after updating to a new build.
  • We’re working on a fix for an issue resulting in Settings crashing for some Insiders when opening Manage Disks and Volumes.
  • We’re working on a fix for the Linux kernel not being installed when using the `wsl –install` command in the Windows Subsystem for Linux. For an immediate workaround run `wsl –update` to get the latest kernel version.
  • We are investigating an issue affecting Windows Subsystem for Linux 2 distros where users can receive the error: “The remote procedure call failed” on startup.
  • We’re working on an issue where on a small subset of devices the Start menu does not reflect when an update is pending restart and scheduled restarts are cancelled. To install the next update, you will need to update and restart through the Windows Update settings page, notification area (system tray) icon, or restart notification.
  • We’re investigating reports of some devices experiencing a KMODE_EXCEPTION bugcheck when using certain virtualization technologies.
  • We’re investigating a bug where the vEthernet adapter in Windows Subsystem for Linux 2 distros becomes disconnected after a period of use. For full details please follow this Github thread.
  • We’re working on a fix for seeing generic errors when using `wsl –install` in the Windows Subsystem for Linux.

The Dev Channel, formerly known as the Fast Ring, reflects the latest changes made to the Windows code base. It is a work-in-progress, so the changes you see in Dev Channel releases may not appear in the upcoming feature update. So we can expect to see some features which will never appear in stable Windows 10 versions on Desktop.
Also, it is possible that will see <aMicrosoft to bring some Windows 10X features to Windows 10 href="https://winaero.com/blog/windows-10x-will-install-feature-updates-under-90-seconds/">some of Windows 10X features on Desktop. Microsoft is about to add some of Windows 10X's features to get the best of two Windows branches. The company may also replace some of the Desktop feature updates with Windows 10X releases.

If you have configured your device to receive updates from the Dev Channel/Fast Ring ring, open Settings - > Update & recovery and click on the Check for Updates button on the right. This will install the latest available Insider Preview of Windows 10.

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