Windows 11 build 22478

Windows 11 build 22478.1000 is the seventh Insider Preview build of Nickel, the 22H1 development semester of Windows as a service. It was released to Windows Insiders in the Dev Channel on 14 October 2021.

Shell

 * The Segoe UI Emoji font has been updated to feature a new Fluent design, alongside with added support for Emoji version 13.1.
 * The updated Korean IME, which was reintroduced for the fourth time in build 22454, is now available to all users enrolled into the Dev Channel.
 * Windows Hello now supports logins via an external monitor with an attached camera.
 * The mouse wheel can now be used to adjust the volume level if the cursor is hovered over the taskbar volume icon.
 * The language addition dialog has recieved a small design update in order to be in line with the Fluent design standard.
 * Under-the-hood optimizations to the Windows Search Indexer platform as part of an effort in reducing disk space usage.
 * Updated the prompt text to "Do you want to pin this to Start?" when pinning items from a UWP app to Start.

Settings
Updated the Quick Settings page for managing audio endpoints from "Volume" to "Sound output".

Bugfixes

 * Keyboard focus will no longer get lost when pressing Esc after opening the user profile flyout in Start.
 * Addressed an issue that was causing Notification Center to get stuck in a state in recent Nickel builds where it would stop launching.
 * After bringing up an app's jump list from the Taskbar, right-clicking on the app name should now show the correct icon for Pin to Start (a pin icon).
 * Left and right clicking Taskbar at the same time should no longer crash.
 * Fixed an issue where the command bar was doing unnecessary calculations when navigating to folders, causing an unexpected decrease in performance.
 * This is also believed to be the root cause of performance issues when using drag to select files, as well as using the arrow keys to navigate in certain folders.
 * The "Show hidden items" option should no longer get out of sync when multiple File Explorer windows are open.
 * Addressed an issue that Widgets board may appear empty.
 * Addressed an issue that Widgets may be displayed in the wrong size on external monitors.
 * The recent searches flyout when hovering over the search icon in the Taskbar should no longer immediately dismiss on invocation if an admin window is in focus.
 * Setting focus to the search box in File Explorer shouldn't make the touch keyboard invoke and immediately dismiss now when using a tablet with the Taskbar set to auto-hide.
 * Mitigated a memory leak that could occur in, causing unexpected resource usage over time.
 * Addressed an issue for a small number of users that was causing  crashes when setting focus on any text field.
 * Fixed an issue that was causing Settings to crash when radio buttons were updated.
 * Improved performance of loading the themes displayed in Personalization Settings.
 * If a non-admin user changes their display language in Language Settings, the system will no longer show the clickable sign-out button there as it was popping a UAC dialog and causing confusion.
 * Address an issue where "Media streaming options" in the Network and Sharing Center would unexpectedly revert to default settings after an upgrade.
 * Improved Quick Settings launch reliability.
 * This change should also help address the issue causing the window to not fully render (just a thin rectangle).
 * Addressed an issue where the media controls area in Quick Settings wasn't bringing the app displayed to the foreground in certain cases when clicking it.
 * Fixed an issue where the colors for items in Quick Settings could get stuck and not reflect the proper color for that state, particularly when using a contrast theme.
 * Opening the page for managing audio endpoints in Quick Settings should no longer cause a brief cut in audio playback when multiple devices are listed.
 * Mitigated an issue related to using Alt very quickly that could make  crash.
 * Holding down Alt and pressing F4 after pressing Alt will no longer crash.
 * Fixed a casing issue that was causing  files to be unexpectedly removed in certain cases, which could lead the display language changing until users added the desired display language back in Settings.
 * Addressed an issue that was causing some users to see a bugcheck with error.
 * Mitigated an issue that was causing the  service to use an unexpected amount of power in recent Nickel builds.
 * The missing display order in BCD settings should no longer cause an upgrade failure.
 * Fixed an issue that was causing captions to draw at the wrong offset in certain apps.
 * Mitigated an issue that was causing crashes related to.