Windows Insider’s dev channel Rs_prerelease branch has received a Cumulative Update for testing servicing pipeline. KB5001478 is the CU that doesn’t include any new feature. The rollout will increase the version number to Windows 10 Build 21332.1010 from 21332.1000.
As usual, this build will be installed automatically however you can go to Windows Update Settings and click on Check for updates for instant installation.
Windows 10 Build 21332.1010 KB5001478
This update brings nothing new features; the only aim for this release is to test the servicing pipeline.
Happy Monday #WindowsInsiders in the Dev Channel. We’ve released update 21332.1010 to validate our servicing pipeline. Also, be sure you check out the blog post for Build 21332. https://t.co/09evlXoo0K#AreYouFlightingYet pic.twitter.com/WodmB830bI
— Windows Insider (@windowsinsider) March 15, 2021
Source – Windows blog.