Microsoft is changing the way it updates Windows by introducing “checkpoint cumulative updates” for Windows 11. These updates aim to address common complaints about Windows updates being time-consuming, disruptive, and sometimes causing new bugs or system instability. While the new approach appears to offer improvements, it also comes with potential drawbacks.
The new checkpoint cumulative updates are designed to be smaller, faster, and more sustainable, requiring no action from users or IT administrators. This new method builds on the previous checkpoint rather than including all the changes since the original release. Microsoft claims this approach will save time, bandwidth, and hard drive space for both users and organizations.
Throughout a Windows release lifecycle, the process may involve multiple checkpoints, with the servicing stack merging all checkpoints and only downloading missing content. Essentially, for most update management tools, the changes will be handled automatically by the Windows servicing stack. The end result, according to Microsoft, will be smaller downloads to Windows devices, more sustainable redistribution of updates within an organization, and a better experience for annual feature updates.
Despite the potential benefits, some users are expressing concerns about the new process. One concern is that if there’s a problem with a cumulative update, it can prevent security patches from being applied, as the entire cumulative update can’t be installed. This criticism, however, applies to cumulative updates in general, not specifically to the new checkpoint system.
Administrators who source updates from the Microsoft Update Catalog will see a change in how updates are presented. Monthly updates may contain multiple update package files—one for each checkpoint plus an additional file with the cumulative payload from the latest checkpoint. These will need to be installed sequentially using existing deployment tools.
Another worry is that the checkpoint cumulative updates will add another layer to an already complex update system. The new system might complicate the rollback process if issues arise after applying an update. There’s also the possibility of conflicts between different checkpoint updates or with existing system configurations.
Despite these concerns, the benefits of smaller, faster updates seem to outweigh the potential drawbacks. Microsoft’s goal is to make the transition as seamless as possible. Those who want to try this new feature can join the Insider Dev Channel and install Windows Insider Preview Build 26120.1252.
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