Windows 11 Insider Preview Build 27766 has been released to the Canary Channel, bringing general improvements and fixes to enhance user experience. Key issues, including app installation errors and explorer.exe crashes, have been addressed. However, new Copilot+ PC users may face challenges with Windows Hello PINs. Insiders are reminded that Canary builds are experimental and may not lead to final features.2. **:**

Windows 11 Insider Preview Build 27766: What’s New?
The latest Windows 11 Insider Preview Build 27766 has just been released for the Canary Channel. This update introduces a few important changes and improvements that enhance the overall user experience.
Major Updates and Fixes
One of the notable fixes addresses a common issue faced by Insiders. Previously, rolling back from Build 27764 to an earlier version would trigger an error message regarding App Control for Business. This has now been resolved.
Additionally, the update tackles frequent explorer.exe crashes that some users experienced after clean installations or resets. These improvements aim to stabilize the experience for Insiders.
What’s Important to Know
Insiders should be aware that if they are joining the Canary Channel on a new Copilot+ PC, they may encounter issues with Windows Hello PIN and biometrics. Specifically, users could see error 0xd0000225, indicating that their PIN isn’t available. Fortunately, re-creating the PIN is straightforward.
“The builds we release to the Canary Channel represent the latest platform changes early in the development cycle.”
This statement emphasizes that Canary builds are experimental and may not correspond to any specific release. Features may change or even be removed based on user feedback.
Known Issues and Reminders
Some known issues persist, such as accent-colored window borders not displaying correctly and animation settings not functioning as intended. The Windows Insider team is actively working on these fixes.
For those considering leaving the Canary Channel, a clean installation of Windows 11 is required. This is crucial for maintaining system integrity, as switching to a channel with lower build numbers is not permitted without a fresh install.
“Some features in active development may not be fully localized and localization will happen over time.”
This highlights the ongoing nature of development within the Insider program. Users are encouraged to report any localization issues they encounter through the Feedback Hub.
Conclusion
Windows 11 Insider Preview Build 27766 brings essential updates and fixes, enhancing the overall experience for users. As always, feedback is vital for refining these builds. Stay tuned for more updates!
From the Windows Blog