Microsoft has released build 23526 for Windows Insiders on the dev channel. The new build has a few interesting changes and is available as an ISO for Insiders wanting to perform a clean install. The builds expiration date has been changed to 15/09/2024 so you should make sure you have this build installed.

The main changes:

  • For start menu items that do not have rich thumbnail previews Windows it will no longer show a blank preview area
  • There is additional help section in the Cast Flyout
  • Narrator Improvements

Fixes and known issues:


[Start menu]

  • Fixed an issue that was making the System label in Start’s all apps list the wrong color in high contrast themes.

[Taskbar & System Tray]

  • Fixed an issue where the taskbar wasn’t loading for some Insiders when logging into their PC after installing the previous build.
  • Disabled the setting for uncombining taskbar buttons on other screens by default when no secondary monitors are connected.
  • Fixed an issue where if the taskbar was set to uncombined it would still show animations even if they’d been turned off.
  • Fixed an issue where app icons on the taskbar would become empty (with no icon) in recent Insider builds after switching between desktops.
  • Fixed an issue where the hidden icons flyout might close unexpectedly when using keyboard navigation to move focus between icons.
  • Fixed an issue where using drag to rearrange icons in the overflow area wasn’t working well when the taskbar was set to uncombined.
  • Fixed an issue where the new bell icon might be very difficult to see in some cases because it was using a dark outline when your taskbar was dark.
  • Fixed an issue where if you had enabled the End Task option in the taskbar, the setting wouldn’t persist across upgrades.
  • Fixed an issue where after upgrading the Bluetooth icon in the system tray might not display in the system tray after upgrade even though your PC supported Bluetooth and the Bluetooth options were shown in Settings.

[Start menu]

  • Fixed an issue where if you attempt to uninstall certain apps, it would just open Settings and not navigate to the Installed Apps page.

[File Explorer]

  • Fixed a high hitting explorer.exe crash when launching or interacting with File Explorer in the last couple flights.
  • Fixed an issue where using the Reset Folders button in Folder Options could cause explorer.exe to crash.
  • Fixed an issue where the chevrons in the File Explorer address bar were pointing in the wrong direction if your display language was set to Arabic or Hebrew.
  • Fixed an issue where saving files to OneDrive locations in File Explorer could take a very long time, making it seem like the app you were saving from had become unresponsive, in the latest Insider builds.
  • Fixed an issue where the context menu and dropdown menus in File Explorer weren’t working with touch.
  • Made another fix for the issue causing the context menu and dropdown menu backgrounds to be transparent.
  • Fixed an issue where the menu shown when doing a right click drag on one of the newly supported archive formats didn’t have an extract option like it does for zip files.

[Dev Drive]

  • Fixed an issue where Dev Drives might not auto-mount after upgrading to a new build, causing apps that tried to access them to not work.
  • Improved error messages if Dev Drives fail to format.
  • Fixed an issue related to the use of Dev Drives which could cause a bugcheck with an INVALID DATA TRAP on upgrade (and then the upgrade would roll back).

[HDR Backgrounds]

  • Fixed an issue which could cause sporadic explorer.exe crashes when using an HDR wallpaper.


  • Fixed an issue where Narrator was not reading various list items in a combo box on various web pages when navigating with up and down arrow.
  • Fixed an issue where Narrator was incorrectly announcing combo boxes as read-only even when users could actually select different values from the combo box list items.
  • Addressed the issue where Narrator was not announcing the checked and unchecked status of radio buttons but was announcing selected for every item.
  • Fixed an issue where Narrator was announcing older information  while navigating in date/time picker  using arrow keys .
  • Fixed an issue where Narrator was incorrectly reading contents of previous cell and the current cell when navigating in a table using right and left arrow keys.
  • Fixed an issue where Narrator is incorrectly reading older Window title even after navigating to inner control.
  • Fixed an issue where Narrator is reading entire paragraph when up arrow is invoked in online word document.
  • Fixed an issue where Narrator was incorrectly reading out last word of previous paragraph when a new paragraph started with a punctuation mark.
  • Fixed a bug where Narrator was not announcing the character being deleted when using backspace key in some text fields on the web.
  • Fixed an issue in narrator where while entering any number in CVV edit field, Narrator should only announce as “hidden”, instead of “CVV edit, hidden new line selected”.
  • Fixed an issue where Narrator is not able to detect different headings on some web pages in scan mode while using “h” key to navigate.
  • Fixed an issue where Narrator scan mode arrow navigation skipped first item in container.
  • Fixed an issue, where Narrator is skipping the first item after navigating via landmark using “d” key in scan mode.
  • Fixed an issue where Narrator focus did not move past the first check box if there was a list of check boxes  when using up and down arrow key in scan mode.
  • Fixed an issue where Narrator was not activating combo box when navigating using up and down  arrow and using enter/spacebar to activate it in scan mode.
  • Fixed an issue where Narrator would collapse the combo boxes in scan mode when navigating with up and down arrows.
  • Fixed an issue where navigation commands are not executed as expected in a dialog  box when you enter the dialog the second time.
  • Fixed an issue where Narrator find was not working consistently on web pages when using Narrator key + Ctrl + F key combination.


  • Fixed an issue where typing with the Japanese and Chinese IMEs may not have performed as expected in certain apps in the last few flights when you had selected the option to use the previous version of the IME. If you are continuing to experience issues with this build installed, please file feedback.
  • Fixed an issue where when inking into a text field, if you were writing in Chinese, certain characters were being perceived as taps and not working.
  • Fixed an issue where inking into a text field while magnifier was running was not working well as the ink was offset.


  • Fixed an issue where removing a monitor while connected to a Cloud PC could result in a black screen with only a mouse visible in recent builds.
  • Made some fixes to improve how the Share dialog worked with screen readers, as well as addressing some other accessibility issues.

NOTE: Some fixes noted here in Insider Preview builds from the Dev Channel may make their way into the servicing updates for the released version of Windows 11.

Known issues


  • We’re working on the fix for an issue causing explorer.exe to crash on the login screen when attempting to enter safe mode.

[Start menu]

  • Some apps under All apps on the Start menu, such as PWA apps installed via Microsoft Edge, may incorrectly be labeled as a system component.

[Search on the Taskbar]

  • Sometimes the tooltip when mousing over the search box does not match the current search highlight.

[Windows Copilot]

  • You can use Alt + Tab to switch out of Windows Copilot, but not back into it. Windows + C will move focus back to Windows Copilot
  • When first launching or after refreshing Copilot while using voice access you’ll need to use “Show grid” commands to click in the “Ask me anything” box for the first time.


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