Is windows 10 21h1 finished? The new build 20251 fixes bugs

One more week, Microsoft has released a new build of Windows 10 for users targeted to the Insider program, specifically within the DEV channel. This new compilation, build 20251, continues to shape what will be the next update of the operating system, which if all goes well will arrive in the spring of next year. From what it seems, Microsoft is already clear about what will be the news that we will see in this future version, so much so that this new build no longer brings any more important changes, but begins the debugging process.

In the last few weeks, and the last few months, we have seen a large number of changes and news within the Windows 10 Insider program. Initially, the next operating system update, 20H1, was going to be a large update that would bring system a lot of changes and improvements. However, it seems that this is not going to be the case. 21H1 is going to be a rather small update that, although it has more changes than the last 20H2, it will be behind what we are used to seeing.

This can be deduced from the fact that this new build has already entered the final phase of its development, beginning the debugging and bug fixing tasks. At any time, very soon, we will be able to see the first Insider versions of 21H2.

Bugs fixed in Windows 10 build 20251

Microsoft has taken advantage of the release of its new Insider update to fix a number of bugs and errors in the operating system. These are:

  • Fixed a bug that made the background of some dialogues appear gray instead of white.
  • Fixed an issue that caused the taskbar to cover the power button within the start menu.
  • Fixed an issue that caused some Insider users to see a SYSTEM THREAD EXCEPTION NOT HANDLED error message.
  • Fixed issues that caused opengl32.dll to crash.
  • Fixed an issue that caused the Settings app to crash when checking for updates.
  • Fixed an issue that caused the Settings app to send a notification that only had the “new notification” text.
  • Fixed an issue where the file indexer could not retrieve metadata from HEIF and WebP files.
  • Fixed an issue when casting content to the Movies & TV (and other shows) app that caused nothing to happen when clicking on the device.
  • Fixed an issue in the latest Windows builds that caused the Miracast screen to crash.

Errors yet to be fixed

In addition, Microsoft has also updated the list of faults and errors still to be solved in build 20251, bugs that will be solved in the next builds of Windows 10 to, little by little, give rise to the RTM.

  • Microsoft is working on a bug, introduced with build 20236, which makes installing a game on a secondary drive inaccessible. Instead of selecting a second drive during installation, it is recommended to change the default drive before installing the app or game from the Store.
  • They are investigating a bug that causes the installation process to hang for a long time for some Insider users, but not all.
  • Live previews of pinned sites remain unavailable.
  • Microsoft continues to work on enabling the new taskbar experience for pinned websites.
  • Some devices stop working with the critical error DPC_WATCHDOG_VIOLATION.
  • PowerShell does not appear on some builds for ARM PCs.
  • An error 0x80070426 prevents logging into many applications.
  • The new disk manager in the Settings menu does not show some drives.

At any moment Microsoft could conclude the development of 21H1 and start working on what will be the second update of 2021: 21H2. However, we cannot confirm anything yet, as Microsoft changed the nomenclature of the Insider builds to FE_RELEASE, a generic development branch that does not correspond to any particular version.

We will have to wait a couple of weeks to see how the development of this system evolves.

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