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Release date: 15 May 2026
As a reminder, these release notes apply to those who are in the Experimental (26H1) channel, formerly known as the Canary 28000 series Channel. As we begin the transition to the updated Windows Insider Program, all new build release notes will be labeled under the new channel names, even though Insiders in the Canary 28000 series Channel may not yet find themselves having transitioned to Experimental (26H1). See the Windows Insider Blog for more details.
Changes and improvements gradually being rolled out*
[Windows Update]
We’re introducing new capabilities to enhance security and improve user control over the Windows update experience. This includes:
- Ability to skip updates immediately during the out of box experience (OOBE)
- Extend update pauses as many times as you need
- Always available options to shutdown and restart with updating
- More insight on available updates to make more informed installation decisions
[Other]
- This update improves the reliability of Simple Service Discovery Protocol (SSDP) notifications to help prevent the service from becoming unresponsive.
Known Issues
[Reset PC]
- Resetting your PC may get stuck when using “Reset this PC.” To complete the reset successfully, choose the cloud download option (Cloud PBR) instead of local.
Reminder for Windows Insiders in the Experimental (26H1) channel
These builds can be unstable and may be released with limited documentation.
Many features in the Experimental (26H1) channel are rolled out using Controlled Feature Rollout technology, starting with a subset of Insiders and ramping up over time as we monitor feedback to see how they land before pushing them out to everyone in this channel.
The desktop watermark shown at the lower right corner of the desktop is normal for Windows Insider pre-release builds.
Some features in active development we preview with Windows Insiders may not be fully localized and localization will happen over time as features are finalized. As you see issues with localization in your language, please report those issues to us via Feedback Hub.