MC1171745 – M365 Change Digest

One-line summary

Hotpatch updates are now generally available, offering smaller, faster security updates that install in the background without restarts, improving productivity and network performance.

Similar updates

Details

Body (from Message Center)

Hotpatch updates, which are smaller than standard Windows updates, bring faster security and improved productivity to your organization. Their smaller size translates to optimized network performance, sustainability benefits, faster installation, and quicker compliance.

When will this happen:

Hotpatching is generally available.

How this will affect your organization:

Hotpatch updates save time by installing in the background without interruption or restarts. They drive business continuity by ensuring that users remain secure and productive, without disruption.

What you need to do to prepare:

Check if your organization is ready for hotpatch updates.
Confirm devices at your organization meet prerequisites for hotpatching.
Ensure devices are on the latest baseline release version to qualify for hotpatch updates.
Learn about release cycles, including baseline updates released quarterly as standard cumulative updates.
Learn how to enroll devices to receive hotpatch updates.

Additional information:

Read more in Hotpatch efficiency unlocked: Smaller update size.
Discover if your questions about hotpatch already have been asked. See Hotpatch for client: Frequently asked questions.
Learn about using Windows Autopatch to create and deploy hotpatch updates.

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    "last_modified": "2025-10-13T17:19:16Z",
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