New cumulative update to help test servicing pipeline

May 20, 2021 17:02 GMT  ·  By

If you’re part of the Windows Insider program in the Dev channel and a new cumulative update is now up for grabs from Windows Update, that’s not a completely new build.

Windows 10 cumulative update KB5003837, which brings the OS build to 21382.1000, is only supposed to help testing the servicing pipeline, though Microsoft warns that some users may get an error when trying to install this new update.

“Some Insiders with the Arabic, Greek, Dutch, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, and Russian languages installed may see KB5003837 fail with error 0x80070002 the first time trying to install the update. It should succeed on subsequent attempts,” the company explains.

What’s new in Windows 10 build 21382

As you can easily figure out from the OS build, this cumulative update is aimed at Windows 10 version 21382, which itself comes with several significant improvements.

One of them is support for HDR in color managed apps, with a new option added under Properties > Compatibility tab.

Microsoft has also further polished the experience with the built-in Device Manager in this build.

“Device Manager now has the ability to view drivers alongside of devices. The new driver focused “Devices by drivers”, “Drivers by type”, and “Drivers by devices” views enable users to view, install, and remove drivers, while the new “Add drivers” action enables users to add and install new drivers across all applicable devices. Managing drivers directly is more intuitive in many situations than working with them by way of the devices they are installed on, so we hope that developers and power users alike will enjoy the added flexibility. This change was added in Build 21343,” Microsoft explains.

Just like the new cumulative update, Windows 10 build 21382 is specifically aimed at Windows insiders enrolled in the Dev channel.