Microsoft has released yet another preview build of Windows Server to Insiders, matching last week's Windows 10 build. However, as usual, there's no sign of a changelog for the release.
Build 19613 RSS
Today, Microsoft released a new cumulative update for Windows Insiders on the Fast ring. There are no major changes in the update, and Microsoft says it's just to test the servicing pipeline.
This week's Windows 10 Insider Preview build in the Fast ring is build 19613. As usual, there isn't much in the way of new front-facing features for this vNext build. It's mostly fixes.