Key Points
- Microsoft releases Windows 11 Insider Preview Build 27842 to the Canary Channel, with updated features and fixes.
- The build introduces a new UI for unexpected restarts, aligning with Windows 11 design principles, and enhanced mouse settings.
- Known issues include problems with Xbox controllers, night light functionality, and taskbar icon resizing in tablet mode.
Microsoft Releases Windows 11 Insider Preview Build 27842
Microsoft announced the release of Windows 11 Insider Preview Build 27842 to the Canary Channel. This build is now available for download, with ISOs provided for convenience. Notably, the company has paused the release of SDKs for the 27xxx series for the time being.
New Features and Improvements
- Unexpected Restart UI: A more streamlined UI for unexpected restarts (also known as "green screens") is rolling out to Windows Insiders on version 24H2 and higher in the Beta, Dev, and Canary Channels. This redesign aims to expedite productivity recovery while maintaining essential technical information.
- Mouse Settings Overhaul: Microsoft is integrating more mouse-related settings directly into the Settings app (under Accessibility > Mouse and Accessibility > Mouse pointer and touch), reducing reliance on the Control Panel. New customization options include mouse indicator, pointer trails, and hover activation time adjustments.
- Windows Security Update: The Windows Security app will display additional details (manufacturer and version) for Pluton TPM chips, if present, under Device security > Security processor details.
Fixes and Resolutions
- General: Resolved issues with the update toggle in Settings, WHEA_UNCORRECTABLE_ERROR bugchecks, and explorer.exe reliability.
- Taskbar & System Tray: Fixed focus direction issues with Hebrew/Arabic languages and WIN + T navigation.
- Input: Addressed ctfmon.exe crashes, DWM crashes during inking, and Run dialog autocomplete functionality.
- Windows Security: Corrected the Smart App Control icon display.
- Display and Graphics: Restored functionality for external graphics cards over Thunderbolt, resolved JPG image display issues, and improved Windows key + P topology switching.
Known Issues and Workarounds
- Xbox Controllers: Insiders may experience bugchecks when using Xbox controllers via Bluetooth. A workaround involves uninstalling the specific driver in Device Manager.
- Night Light: Non-functional for some Insiders after the latest update (fix in progress).
- Taskbar Icons: Inconsistent resizing in tablet posture (fix upcoming).
Reminders for Windows Insiders
- Canary Channel builds represent early development stages and may not reflect final releases. Features are subject to change or removal.
- Clean installation is required to exit the Canary Channel due to technical setup requirements.
- Localized features may not be fully translated during early previews; feedback is encouraged for language-related issues.
Microsoft continues to emphasize the importance of user feedback in shaping the Windows 11 experience. Insiders are advised to stay up-to-date with the latest releases and report issues via Feedback Hub. As the development cycle progresses, the company will refine features and address known issues, ultimately enhancing the operating system for its global user base.
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