Microsoft have released a cumulative update for the 20H1 build released yesterday. KB4517787 takes the build number to 18965.1005 and Microsoft are using it to test the serving pipeline, and it doesn’t contain and new features.
Hello Windows Insiders, we have released Windows 10 Insider Preview Build 18965.1005 (KB4517787) to Windows Insiders in the Fast ring. This Cumulative Update is a little bit bigger as it is designed to help us test our servicing pipeline with larger updates. This update contains nothing new. We simply updated the version numbers of several components in the OS.