Here is a summary of the key changes, fixes, and known issues in Windows 11 Insider Preview Build 26120.5742 (KB5064075) released to the Beta Channel for Windows 11, version 24H2:
Key Changes and Improvements (Gradually rolling out with toggle ON)
Settings
Time & Language: More time and language settings moved from Control Panel to the Settings app, including:
Add additional clocks (Settings > Time & language > Date & time).
Change your time server.
Date/time formatting settings moved (now includes AM/PM symbol change).
Number and currency format settings updated.
Enable Unicode UTF-8 support with a new toggle.
Copy user language and region settings to system/welcome screen/new user accounts.
Keyboard & Accessibility:
Character repeat delay/rate and cursor blink rate have moved to Settings > Accessibility.
Other
More dialog boxes updated to match Windows 11 visuals (e.g., app can't open dialog).
Fixes (With toggle ON)
File Explorer: Several fixes for icon mirroring, tooltips, tab duplication, text scaling, Narrator integration, and performance.
Start Menu: Fixes for Start menu category issues and Visual Studio category.
Task Manager: Reliability and accessibility improvements, and fixes for freezing.
Input: Fixes for Chinese IME and touch keyboard with specific IMEs.
Settings: Fix for crashing when adding security keys.
Other: Fixes for app crashes with dao360.dll and SYSTEM_SERVICE_EXCEPTION bugchecks.
Known Issues
General: Some Insiders may experience a rollback with error 0x80070005. Try going to Settings > System > Recovery > "Fix issues using Windows update".
Click to Do (Preview): Possible crashes and non-working text/image actions after this build (scheduled to be fixed in the next flight).
Start Menu: The new layout may temporarily show a smaller menu; fix coming soon.
File Explorer: Color display issues in dark mode for drives and remaining space.
Live Captions: May crash when using live translation on Copilot+ PC.
Xbox Controllers: Bugcheck due to Xbox Controller via Bluetooth; workaround is to uninstall a specific driver in Device Manager.
Reminders for Beta Channel Insiders
Updates are delivered using enablement packages and may use Controlled Feature Rollout technology.
New features may not reach all users at the same time.
Features are preview and subject to change or removal before final release.
Check Flight Hub for full build/channel information and use Feedback Hub for localization issues.