Alongside of the first build from the Iron development branch in the Dev channel, Microsoft also released ISO images, so you can do a clean installation of the feature update preview.
Build 20150 RSS
Microsoft is going all-in on testing the 21H1 update with Windows Insiders, and Windows Server users can get build 20150 too. However, as we've seen with recent releases, there's no changelog.
Microsoft's weekly build of Windows 10 is now available for insiders in the Dev channel, and in addition to some new features, it brings the usual slew of fixes, improvements, and known issues.
Today, Microsoft is releasing Windows 10 Insider Preview build 20150 to the Dev channel, formerly known as the Fast ring. It's the first build from the return to the rs_prerelease branch.
