Microsoft has rolled out Cumulative Update Build 22509.1011 (KB5008918) for Dev Channel Windows Insiders. The official post reveals that the update does not include any new features. The update is designed to test our servicing pipeline for builds in the Dev Channel.
If you encounter an 800F0823 error while trying to install the cumulative update Build 22509.1011, then you should try to reinstall the update again. The update installation should complete successfully.
This update borrows all the features included with Windows 11 Insider Preview Build 22509 such as improvements to Microsoft Edge web browsing with Narrator. The update also comes with new layout options for Start, clock and date and will now display even on secondary monitors.