HomeWinBuzzer NewsWindows 10 Preview Build 20262 Reaches the Dev Channel

Windows 10 Preview Build 20262 Reaches the Dev Channel

Windows 10 Preview build 20262 is now available for Windows Insiders on the Dev channel, brining several important fixes to the 21H1 branch.


Windows Insider Program members are getting a new update this week. is rolling out Preview build 20262. This update is available through the , Microsoft's replacement for the previous Fast Ring.

If you are unfamiliar with the update structure on the Dev channel, it is usually a stability branch. Microsoft rarely sends out new features to this channel, although it does happen sometimes. Instead the Dev channel is for fixing issues with Windows 10 previews and making performance improvements.

And that's where Insiders stand with Windows 10 Preview build 20262. This is a patch update more than anything, focusing on making fixes in the Windows 10 21H1 (FE) branch.

As is usual, some fixes are more important that others, but all should improve the overall experience.


  • “Fixed an issue resulting in certain apps launching unexpectedly transparent in recent builds, with no content visible.
  • Fixed an issue where old SleepStudy etls were unexpectedly not being cleaned up.
  • Fixed an issue resulting in no response the first time a pen was clicked after being paired due to an underlying crash.
  • Fixed an issue resulting in touchpad scrolling no longer working on the tab in focus after closing a browser tab using CTRL+W while scrolling on a touchpad.
  • Fixed an issue where the some of the notifications related to block at first sight weren't being localized.
  • Fixed an issue where when using Narrator in scan mode, it wasn't possible to activate the “Sign in with pin or smart card” buttons in the authentication dialog using space or the enter key.
  • Fixed a recent issue where when both Wi-Fi and cellular were connected, if Wi-Fi disconnected the network flyout would say cellular was still connected, but apps wouldn't actually be able to use the internet.
  • Fixed a high hitting DWM crash impacting some Insiders in the last few flights.
  • Fixed an issue that could result in Settings crashing when navigating to Storage Sense.
  • Fixed an issue resulting in app registration issues for some of the in-box apps with the previous flight after upgrading.”

Known Issues

As is usual, Microsoft has also detailed some known issues that remain in Windows 10 after this preview. You can check them out below:

  • “Microsoft is looking into reports of the update process hanging for extended periods of time when attempting to install a new build.
  • Live previews for pinned sites aren't enabled for all Insiders yet, so you may see a grey window when hovering over the thumbnail in the taskbar. Microsoft is continuing to work on polishing this experience.
  • Microsoft is 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.
  • Microsoft is working on a fix for an issue resulting in some users seeing error 0x80070426 when using their Microsoft account to sign into various apps. If you encounter it, rebooting your PC may resolve this.
  • Microsoft is investigating an issue where, in recent Dev Channel builds, no drives appear under Settings > System > Storage > Manage Disks and Volumes. As a workaround, you can manage your disks in the classic Disk Management tool.
  • Microsoft is investigating reports that some screens incorrectly have black text on dark backgrounds when dark theme is enabled.”
Luke Jones
Luke Jones
Luke has been writing about all things tech for more than five years. He is following Microsoft closely to bring you the latest news about Windows, Office, Azure, Skype, HoloLens and all the rest of their products.

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