Will upcoming Windows 10 21H1 bring Win 32 containers?

Don Sharpe
by Don Sharpe
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  • Windows 10 21H1 may hit the Fast ring later today.
  • 21H1 is a major Windows 10 update that may bring significant changes, including to the Start menu.
  • The Windows Insider Program section brings you up to speed on the latest preview builds of the OS to go live. You can check it out anytime!  
  • To improve your experience with the Windows 10 OS, and to catch up with the latest news about it, visit our Windows 10 hub.
The Iron update

It’s almost a month now since Microsoft accidentally revealed that Windows 10 21H1 would hit the Fast ring toward the end of June 2020. Well, the build is likely to go live today, according to a tweet by Alumia.

Yesterday, build 20H2 left the Fast ring, which means that the channel has or will get a new occupant soon. But what features is 21H1 bringing?

Windows 10 21H1 set to go live in the Fast ring

Twitter user Alumia-Italia, who has build credibility for leaking accurate prerelease info on Windows and other Microsoft apps, posted a screenshot of Windows 10 21H1 download options.

The image includes the preview build’s number, 21050.

Alumia adds that 21H1 is going live today, and the package will include ISOs for the OS.

Well, speculations that Microsoft would push 21H1 to Windows insiders around this week started surfacing last week.

As you may know, 21H1 is a major Windows 10 update, unlike 20H2, which hit the Slow ring yesterday. The build is likely to offer a much-improved user interface with a new Start menu, for starters.

But not everything is clear about what specifically 21H1 brings. For example, will it offer insiders an opportunity to test Win32 app containers?

Containerization would be a major change for Windows. That’s because it’s a revolutionary architecture that allows apps a significant level of independence from the operating system.

Originally, the container technology was coming to Windows 10X. But rumors have it that such core features may be available in other versions of Windows 10 too.

What’s more, Microsoft appears to be shifting away from the tradition of tying new features to specific OS releases. As such, if you test any new feature in, say, 21H1, it may not necessary become available with the release of that specific build.

In other words, even if Windows 10 21H1 preview build 21050 supported Win32 containers, the feature could end up in another release version of Windows.

As always, you can share your thoughts or ask any questions in the comments section below.