Microsoft Details Cumulative Update System for Windows 10 19H1 and 19H2

Microsoft has released new updates for Windows insiders running Windows 10 19H1 and Windows 10 19H2 in the Release Preview ring.

Included in Microsoft’s efforts to embrace a new throttled delivery method for 19H2, the organization is using the same cumulative updates for Windows 10 versions, causing some confusion in the Windows community because figuring out which version is which has suddenly be difficult.

First and foremost, after installing these new updates, Windows 10 19H1 builds will increase to 18362.329, while Windows 10 19H2 will reach 18363.329.

Windows 10 19H2 to be ready next month

Microsoft explains that this new system allows the company to simply enable new features for a limited set of users.

“To offer a clarification on these releases – 19H1 and 19H2 share exactly the same servicing content. That means they share exactly the same Cumulative Update package. For that small subset of Windows Insiders (the 10%) in Release Preview who have been given the choice to install 19H2, an enablement package is downloaded from Windows Update that activates the 19H2 features,” Dona Sarkar, chief from the Windows Insider program, explains inside a article.

“This *changes* the build number for that OS from 19H1 Build 18362 to 19H2 Build 18363. Simply because they use the same servicing content, the build revision number (the number that comes following the dot) will always match between 19H1 and 19H2. Once we still test our servicing packages in the Release Preview ring, Insiders on 19H1 and 19H2 will get a single Cumulative Update with similar fixes.”

Windows 10 19H2 is projected to become finalized when the the following month, and the public rollout must start in October after the testing phase is completed. For now, it doesn’t seem like this release brings a lot of new features, albeit the largest change seems to be this throttled delivery system that Microsoft has been testing for several months already.

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