Windows 11 build 22478 for the Dev channel brings Fluent emojis and other improvements

A laptop running Windows 11 with Windows 11 Insider Preview written next to it

Microsoft has released a new Windows 11 build to Insiders in the Dev channel. Build 22478 brings a bunch of new features, headlined by the new Fluent emojis that the firm announced earlier this year. This is part of the firm's effort to modernize emojis by making them three-dimensional in shape. The set of new emojis also include the Clippy icon for the paperclip. The firm is also adding support for Unicode emoji up to Emoji 13.1, bringing additional options.

A bunch of emojis in Windows 11 shown in the emoji panel

Interestingly, users running the public release version of the OS will not have to wait until next year to enjoy the new emojis as the firm promises to bring these to the release version bia a future servicing update. The feature joins the likes of more bug fixes that are being made in the Dev channel builds that are being promised for the public version of the OS.

In addition to the new emojis, there are also a few other improvements, including optimizations to the indexer platform that will result in reducing disk space usage on the system. The firm is also adding the ability to change system volume from the volume icon using the mouse wheel by scrolling on the icon - something that is a nifty and welcome addition. Though the feature has been present in Windows 10, it has been oddly omitted in Windows 11.

In addition to these, here are all the improvements made with today's build:

  • The updated version of the Korean IME, which began rolling out with Build 22454, is now available to everyone in the Dev Channel.
  • When your laptop is closed, it’s now possible to login to your PC using Facial Recognition (Windows Hello) on a connected external monitor if it has a camera attached that supports it.
  • We’ve made a change to the underlying indexer platform to help improve overall reliability and database size, which should help reduce disk space usage on the system – particularly in cases where users had very large Outlook mailboxes.
  • Scrolling your mouse wheel on the volume icon in the Taskbar will now change the current volume level.
  • Made some small adjustments to the dialog when adding a new language in Settings to make it look a little more modern, including rounding the corners.

As usual, there are a bunch of bug fixes that are always welcome. As mentioned earlier, some of these will be brought to Windows 11 version 21H2 via a servicing update in the future. Here is the complete list of fixes:


  • Keyboard focus will no longer get lost if you press ESC after opening the user profile flyout in Start.
  • Updated the prompt text when pinning something from a UWP app to Start, so it now says simply “Do you want to pin this to Start?”.


  • Addressed an issue that was causing Notification Center to get stuck in a state in recent builds where it would stop launching.
  • The plus icon for adding a new Desktop will now display properly when hovering over the Task View icon in the Taskbar when using Arabic and Hebrew languages.
  • 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 explorer.exe.

[File Explorer]

  • Fixed an issue where the command bar was doing unnecessary calculations when navigating to folders, causing an unexpected increase 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.


The following two issues have been addressed with Microsoft Edge version 95, currently live for Microsoft Edge Insiders, and as such we’re removing them from the known issues list:

  • The widgets board may appear empty.
  • 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.
  • Fixed an issue causing the handwriting panel to not insert text when using it to write Chinese.
  • Mitigated a memory leak that could occur in ctfmon, causing unexpected resource usage over time.
  • Addressed an issue for a small number of users that was causing TextInputHost.exe crashes when setting focus on any text field.


  • Fixed an issue that was causing Settings to crash when radio buttons were updated, for example if you connected an additional audio endpoint while the Sound page in Settings was open.
  • Improved performance of loading the themes displayed in Personalization Settings.
  • If a non-admin user changes their display language in Language Settings, we’ll no longer show the clickable sign-out button there as it was popping a UAC dialog and causing confusion.
  • The Windows Update entry at the top of the System page in Settings should no longer be misaligned with the other options (when shown) in languages like German.
  • The Braille options in Settings for Narrator users should now be in sync with the actual state of the Braille input/output mode.
  • Made a change to help 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 if you clicked on the media controls area in Quick Settings, it wasn’t bringing the app displayed to the foreground in certain cases.
  • 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.
  • Updated the Quick Settings page for managing audio endpoints from “Volume” to “Sound output”.
  • 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 + Tab very quickly that could make explorer.exe crash.
  • Holding down ALT and pressing F4 after pressing ALT + Tab will no longer crash explorer.exe.
  • When using the Arabic or Hebrew display languages, dragging an app window to a different Desktop should show the thumbnail moving in the correct direction now.


  • Fixed a casing issue that was causing files to be unexpectedly removed in certain cases, which could lead you your display language changing until you added the desired display language back in Settings.
  • Addressed an issue that was causing some users to see a bugcheck with error “KERNEL_SECURITY_CHECK_ERROR”.
  • Mitigated an issue that was causing the SysMain service to use an unexpected amount of power in recent builds.
  • If the display order is missing in BCD settings that 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 audiosrv.dll.
  • If going through OOBE with an Arabic or Hebrew display language, the volume and accessibility buttons should display on the correct side of the screen now.

Along with the fixes come a bunch of known issues that users must be aware of. Here is the complete list:


  • Users updating from Builds, or earlier, to newer Dev Channel builds using the latest Dev Channel ISO, may receive the following warning message: The build you are trying to install is Flight Signed. To continue installing, enable flight signing. If you receive this message, press the Enable button, reboot the PC, and retry the update.
  • Some users may experience their screen and sleep timeouts being reduced. We’re investigating the potential impact that shorter screen and sleep timeouts could have on energy consumption.


  • In some cases, you might be unable to enter text when using Search from Start or the Taskbar. If you experience the issue, press WIN + R on the keyboard to launch the Run dialog box, then close it.


  • The Taskbar will sometimes flicker when switching input methods.
  • We’re working on the fix for an issue causing tooltips to appear in an unexpected location after hovering over the Taskbar corner.


  • After clicking the Search icon on the Taskbar, the Search panel may not open. If this occurs, restart the “Windows Explorer” process, and open the search panel again.
  • Search panel might appear as black and not display any content below the search box.

[Quick Settings]

  • We’re investigating reports from Insiders that the volume and brightness sliders aren’t displaying properly in Quick Settings.

This is one of the first Dev channel builds to pack a few new features. However, some of these improvements will eventually make it to the currently available version of Windows 11 for all users. Major new features are yet to begin showing up for the OS - those that will be aimed for release next year or in a future release, ones that aren't tied to the current version.

In addition to the features, the firm also announced that it is testing a new "process for delivering new update improvements" in the way of Update Stack Packages. These packages, the firm adds, allow for them to "deliver improvements to the update experience prior to the PC taking a monthly or Feature Update". The verbiage suggests that these are akin to the Experience Packs, delivering features and/or optimization that are developed independently of the OS, making the overall update experience more reliable. These packs are delivered via Windows Update.

Lastly, the firm is celebrating the seventh anniversary of the Windows Insider Program. To commemorate the milestone, the company is giving away two new wallpapers. You can find the wallpapers here.

Update: Added a mention about the Update Stack Packages.

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