Microsoft is rolling out Cumulative Update Build 22518.1012 (KB5009380) to Windows 11 Dev Channel Insiders. The update is a small one, doesn't come with any new features, and is mainly designed to test the servicing pipeline of the Dev Channel.
We are rolling out a small update to #WindowsInsiders in the Dev Channel, bringing your PC up to Build 22518.1012. This update is for validating the servicing pipeline and contains no fixes. https://t.co/zL4nZEOtdm#AreYouFlightingYet
— Windows Insider (@windowsinsider) December 10, 2021
If you missed it, the last major Dev Channel build came on December 8, for which this new cumulative update is obviously servicing. That release delivered Spotlight wallpapers, an updated entry point for Widgets in the taskbar, the new Voice Access feature, and more. We invite you to check out our previous post for the full changelog. Happy downloading, Windows Insiders!