- Microsoft makes available Windows 10 build 21387 in the Dev Channel.
- The flight removes Internet Explorer 11 from Windows 10.
- It also disables Task Manager Eco mode and ships with a lot of fixes.
Microsoft is now releasing Windows 10 build 21387 in the Dev Channel of the Windows Insider Program as part of the version 21H2 development. Only corrections and a few other modifications are included in this brief preview, which is version number 75 that is being made available to testers.
In the wake of Microsoft’s recent declaration that it intends to abandon Internet Explorer 11 in 2022, build 21387 for Windows 10 reportedly eliminates the old version of the browser.
To enhance the user experience and address a number of issues, the Task Manager Eco Mode is currently being disabled.
Windows 10 build 21387 fixes
This flight comes with a number of repairs in addition to the new modifications, such as:
- It fixes an issue in the previous flight where during the upgrade and in the welcome screens displayed after first sign in, the text was unexpectedly using the Times New Roman font.
- Addresses a problem resulting in some Insiders seeing errors when trying to launch Notepad via the Run dialog.
- It fixes an issue for WSL users, preventing some Linux GUI apps from launching correctly via the shortcut that is automatically added to the Start menu.
- Addresses a problem an issue resulting in the reset or change PIN workflows not working.
- It fixes an issue where for some Insiders, the night light was immediately turning off after being enabled.
- Addresses a problem in recent flights where you might unexpectedly get a We can t find an audio device error when trying to play audio from a connected Bluetooth speaker.
- It fixes an issue where explorer.exe might crash after repeated use of the touchpad gesture for switching Virtual Desktops.
- It Fixes two issues impacting the ability to print using USB printers.
- Addresses a problem resulting in the Windows Update page potentially becoming unresponsive after clicking Pause Updates.
- It fixes an issue causing some devices to fail with error code 0xc1900101. While this fix will resolve the problem on some devices, there is a second issue causing the same error code (noted below).
- Addresses a problem where some devices were re-offered the .NET update after it is installed.
- It fixes an issue where some devices would crash with a DPC_WATCHDOG_VIOLATION error when using OneDrive Personal Vault.
- Addresses a ctfmon.exe crash when using ATOK (a third-party IME) if reconversion was triggered in some win32 apps.
Known issues with build 21387
Additionally, Microsoft is highlighting a number of problems with build 21387, such as:
- The Camera app does not respect the default brightness setting set available on the new Camera Settings page.
- Windows Search elements no longer display correctly in the dark theme.
- The news and interests taskbar widget has an issue that may occasionally flash in the top left corner of your screen after clicking the button on your taskbar.
- Microsoft is also working on a fix for a second issue causing some devices to fail when updating this build with error code 0xc1900101.
The full list of enhancements, fixes, and problems for Windows 10 Insider Preview build 21387 is available on the Windows Blog.
Download Windows 10 build 21387
The build 21387 preview will install itself and is available right now via the Dev Channel. Nevertheless, you may always obtain it manually by using the Check for updates button under Settings>Update & security>Windows Update.
This article will tell you more about all the changes that are currently being made to Windows 10.