New Windows 10 build rolls out to Insiders, but it's just a test without features

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What you need to know

A cumulative update for Windows 10 is rolling out to Windows Insiders.
The build doesn't include any new features but acts as a test for Microsoft's servicing pipeline.
The update brings Windows 10 to build 20236.1005 (KB4587587).

This isn't the first time we've seen Microsoft roll out a build without features to test things out. Testing the service pipeline is a normal practice for Microsoft leading up to the release of new updates.

Microsoft released another build to Insiders in the Dev Channel earlier this week, but that build didn't include any new features either, though it did have quite a few bug fixes.

We are starting to roll out Cumulative Update Build 20236.1005 (KB4587587). This update does not contain new features and is designed to test our servicing pipeline.

Blog post update is slightly delayed, will link to it when available! pic.twitter.com/czURzFyUmxWe are starting to roll out Cumulative Update Build 20236.1005 (KB4587587). This update does not contain new features and is designed to test our servicing pipeline.

Blog post update is slightly delayed, will link to it when available! pic.twitter.com/czURzFyUmx— Windows Insider (@windowsinsider) October 16, 2020 October 16, 2020

If you'd like to check out some new features that have rolled out to Insiders recently, you can watch our recent video on Windows 10 Build 20236. That video gathers together changes from over several builds and packs them into one convenient video to show off everything that's new.

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Sean Endicott is a news writer and apps editor for Windows Central with 11+ years of experience. A Nottingham Trent journalism graduate, Sean has covered the industry’s arc from the Lumia era to the launch of Windows 11 and generative AI. Having started at Thrifter, he uses his expertise in price tracking to help readers find genuine hardware value.

Beyond tech news, Sean is a UK sports media pioneer. In 2017, he became one of the first to stream via smartphone and is an expert in AP Capture systems. A tech-forward coach, he was named 2024 BAFA Youth Coach of the Year. He is focused on using technology—from AI to Clipchamp—to gain a practical edge.