Microsoft has released Windows Server Insider Preview build 18945 with a single new feature, which is the ability to use physical security keys for authentication in hybrid environments.
Build 18945 RSS
Microsoft has released a new preview build of the Windows 10 SDK for the 20H1 development cycle, aligning with last week's Windows 10 build for Insiders. It includes a new way to sign apps.
Microsoft has released a new build of Windows 10 to Insiders in the Fast ring, and in addition to a brand new Cortana app and other new features, it brings a slew of bug fixes and some known issues.
At the tail end of the week, Microsoft today released Windows 10 Insider Preview build 18945 to the Fast ring. It doesn't contain the fun features found in the accidental build earlier this week.