Windows 10 Build 21343 Rolled out with Easy to differentiate System icons

New Dev channel build Windows Build 21343.1000 released with Easy to differentiate and attractive System icons and many changes.

Windows 10 Build 21343

The active development branch of Windows insider has received a new build with multiple significant features, changes, and bugfixes. Windows 10 Build 21343 in Rs_Prerelease is the update that introduces attractive and easy to differentiate new system icons.

You are able to install the dev channel release directly through Windows update.

Windows 10 Build 21343 features changes and fixes

Here is the changelog –


New icons for Documents, Pictures, Desktop, Downloads

Since the rollout of Windows 10 Build 19569, the company continued updating icons. These include the icon for Windows Security, Narrator, and the most recent Notepad. This build comes up with new icons for several icons used throughout File Explorer.

system icons in Windows 10 Build 21343

In this build, you will notice many modifications, for example, in the orientation of the folder icons and the default file type icons. This will improve consistency across Microsoft products that displays files. You will experience icons for Documents, Pictures, Downloads, Desktop, and Recycle Bin having new design that should make help you differentiate easily. Further, you will get more icons updated over time.

recycle bin and local disk icons

new onedrive icon

Windows Sandbox and Microsoft Defender Application Guard (MDAG) improvements

The rollout brings runtime optimized and designed for container scenarios. Microsoft Defender Application Guard and Windows Sandbox will present faster launch times now.

The build’s changes and improvements

  • With this build, the name of the Windows Administrative Tools folder is changed to Windows Tools on Start menu. The experts of Windows are working to better organize all the admin and system tools in Windows 10.
  • This week the company is bringing [News and interests] experience to China. The feature isn’t available to everyone in the Dev Channel just yet due to this.
  • Microsoft is pushing the new IME candidate window design (introduced in Windows 10 Build 21313.1000) to all Insiders in the Dev Channel using Simplified Chinese IMEs.
  • They are replacing the Get Help link on the touch keyboard with Learn more.
  • They’re updating File Explorer for some keyboard shortcuts support for renaming files. This will support using Ctrl + Left or Right arrow to move the cursor between words in the file name. Furthermore, CTRL + Delete and CTRL + Backspace will delete words at a time, similar to other places in Windows.
  • The symbols on the network related surfaces will use the updated system icons rolled out with build 21327.
  • You will receive notifications straight into the Action Center instead of frequent notification toasts If the Shared Experiences page identifies an issue with your account connection,


  • The current build fixed disk resets or WHEA_UNCORRECTABLE_ERROR bugchecks occurring on NVMe drives.
  • Windows 10 Build 21343.1000 fixed DPC_WATCHDOG_ERROR bugcheck occurring on some devices.
  • The rollout fixed intermittent loss of network connectivity occurring on some devices with Realtek network adapters running driver version
  • Experts fixed news and interests button text that was using the wrong high contrast color on some occasions.
  • They Fixed news and interests that may be unavailable when signing into Windows without internet access but returns when online.
  • They performed a plural number of fixes to help improve performance and reliability for explorer.exe.
  • Also, they fixed explorer.exe crashing with Event ID 1002.
  • The rollout fixed a memory leak that was occurring when interacting with the Recycle Bin.
  • Windows 10 Build 21343.1000 fixed a deadlock in recent Dev Channel builds related to the Indexer. This could end up with not being able to launch Start menu or other apps on the first boot after an upgrade.
  • The build fixed games would only run at 60Hz on some high-refresh-rate monitors. This problem may have also ended up with tearing in variable-refresh-rate monitor scenarios.
  • The experts there fixed an underlying issue ending up with some apps crashing during install and potentially other activities recently.
  • They fixed an error message You must restart your computer before the new settings will take effect resulting in some apps unexpectedly displaying recently.
  • Furthermore, they fixed blurry text on secondary monitors in recent Dev build when the monitor was set to portrait orientation.
  • Windows 10 Build 21343.1000 fixed an issue impacting the reliability of WIN + Shift + Left / Right Arrow in recent builds.
  • The build settled the size information for large capacity drives that could be truncated in File Explorer properties dialog.
  • Additionally, they fixed the header of the Settings having truncated text in some languages.
  • The professionals made a fix to help address user profile picture in the Settings header that would flicker when resizing the window.
  • They fixed volume control in Sound Settings might stop working after changing audio end points.
  • Also, they fixed Properties and Data Usage options were missing on the Network Status settings page problem that occurred recently.
  • If you searched for Advanced touchpad gesture configuration and clicked the result, it would open Settings only instead of the specific Settings page. The issue is fixed now.
  • They fixed Settings crashing issue that occurred after launching it by double-clicking on the Windows Update icon located in the taskbar.
  • Also, they fixed Azure Data Studio was not being updated to a newer version on ARM64 problem.
  • The experts fixed exe failed to precompile .NET Framework binaries on ARM64.
  • Windows 10 Build 21343 fixed some of the touch keyboard child keys that were being cut off.
  • Professions there in Microsoft fixed flick up on the top row of the touch keyboard won’t insert the corresponding number when using the small touch keyboard layout, unlike the other layouts.
  • They fixed display problems with the IME candidate windows that appear after switching between dark and light theme.
  • Also, they fixed Japanese IME could become disabled when typing a very long string of text.
  • Windows 10 Build 21343 fixed using SHIFT + Space in MS Excel was impossible when typing with Japanese IME.
  • Finally, they fixed it wasn’t possible to enter a sentence that began with “?” when typing in Kana input mode using Japanese IME.

Known issues

  • Certain games may crash, will not synchronize save data when a game is played on a different device, or will not store when a new game is installed. The company is working on a resolution however you can use the setting to pause updates to stay away from potential data corruption.
  • After receiving this rollout, all folders pinned to Quick Access in File Explorer will disappear. Kindly ensure to take note of what is pinned before upgrading, so you can find those folders again.
  • You may encounter the entire folders section of Quick Access missing. If you experience this, delete –

    will restore the section. However, it will not take the items back that became unpinned. They are working on a fix for this and appreciate your patience.

  • They are investigating the reports of the update process hanging for longer when trying to receive a build.
  • Also, they are involved in enabling the new taskbar for existing pinned websites. However, you can unpin the websites from the taskbar by removing them from the edge://apps page, and then re-pinning the same.
  • When you pressing ESC key to close an opened context menu in the News and Interest flyout it closes the whole flyout.
  • At times the news and interests flyout cannot be canceled with pen.
  • You may confront reduced brightness if you have installed Qualcomm Adreno graphics preview driver on the Surface Pro X device. The problem is fixed with an updated version, so you can install this from here.
  • You will be unable to open the network flyout when on the login screen which will prevent you from connecting to a new network before signing in. However, you can insert Ethernet or log in with any other available account.
  • The Handwriting Input Panel will not work for pen input on ARM64 PCs running this build.
  • On Windows 10 Build 21343.1000, Search crashing on launch for some Insiders. They are working on a fix.

Source – Windows blog.

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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.