Windows 11 build 22449

Windows 11 build 22449 is the first Insider Preview build of Nickel, the 22H2 development semester of Windows as a service. It was released to Windows Insiders in the Dev Channel on 2 September 2021.

Shell

 * The WinUI 3 ring-shaped progress spinner, which introduced in Windows 10 build 19587, is now used by default on the boot screen.
 * Notifications now have an acrylic background.
 * The Sign-in options button has been added to the shutdown menu.
 * Right-clicking on the Bluetooth entry in Quick Settings and selecting Settings will now open the main Bluetooth & Devices page in Settings.
 * The Windows startup sound will no longer play after an unattended update.
 * Added a link to the touch keyboard personalization settings from Typing > Touch Keyboard to help improve discoverability.
 * Updated animation used in the notification introducing users to Windows Hello if it hasn't been set up.
 * Updated the dialog when closing Windows Sandbox so that it has rounded visuals.
 * Adjusted the design of Notification Center to make the app names more visibly separated from the notifications.

Bugfixes

 * no longer crashes when pressing Alt.
 * The title font in taskbar previews has been changed from Arial to Segoe UI.

Shell

 * The Widgets board may appear empty. This can be fixed by logging out and back in.
 * Widgets may be displayed in the wrong size on external monitors.
 * The options to open System and Windows Terminal may be missing from the ⊞ Win menu.

Taskbar
The taskbar will sometimes flicker when switching input methods.

Search

 * After clicking the Search icon on the Taskbar, the Search panel may not open. This can be fixed by restarting Explorer and opening the search panel again.
 * The search panel may appear as black and not display any content below the search box.
 * Text may be unable to be inputted when using Search from Start or the taskbar. This can be fixed by pressing ⊞ Win to open the Run dialog box and then closing it.

Bugcheck

 * Some Surface Pro X devices with this build may bugcheck with a.
 * Devices with this build installed may continuously bugcheck if WDAG is enabled.