Microsoft has just announced the release of Windows 10 SDK Preview Build 18980, which follows the release of Windows 10 20H1 build 18980 last week. Apparently there is nothing new in the release notes, except for some API changes, and you can download this new compilation from the developers section of the Microsoft Windows Insider website.
In addition to the new SDK, Microsoft also launched Windows Admin Center Preview 1909 today. This latest version of the graphical administration tool for Windows Server offers minor improvements for Azure, Packetmon virtual machines, as well as some visual changes. "This will be the last preliminary release in anticipation of the next generally available version of the Windows Administration Center in the next two months," the Windows Insider team said today. This latest version is available for download from the Windows Server Insider Preview download page.
We expect Microsoft to have new preliminary versions of Windows 10 20H1 and 19H2 pending for later this week. It's been almost a week since the 20H1 18980 compilation was sent to Fast Ring Insiders, and the last 19H2 compilations were released two weeks ago. We will inform you as soon as we receive an update from the Windows Insider team.
Further reading: Windows 10, Windows Administration Center, Windows Insider