https://www.bleepingcomputer.com/news/microsoft/windows-10-insider-build-18917-tests-new-download-throttling-settings/

Microsoft has released Windows 10 Insider Preview Build 18917 to Insiders in the Fast ring. This build includes numerous improvements such as new Windows Update download throttling settings, WSL2, Narrator improvements, and Windows Ink improvements.

If you are a Windows Insider in the Fast ring, you can update to the Insider Preview Build 18917 by going into Settings -> Update & Security -> Windows Update and then checking for new updates.