Microsoft is continuing to evolve its strategy for updating Windows 10 devices. In a blog post, the company explains the process as it stands now, and then goes on to announce that Delta updates will be discontinued in February 2019.
Delta updates were originally created because the express update protocol was only available to devices connecting directly to Windows Update or Windows Server Update Services. In January 2017, the express protocol was extended to all 3rd party update management systems; however, we continued to ship delta updates to give companies and third-party update management tools time to implement support for express updates.
Now that express update support for third-party update managers has been available for over a year, we plan to stop shipping delta updates. Beginning February 12, 2019 Microsoft will end its practice of creating delta updates for all versions of Windows 10. Express updates are much smaller in size, and simplifying the cumulative options available will reduce complexity for IT administrators.
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