Windows 11 Insider Preview Build 26120.4520: Passwordless Enhancements & Key Fixes

Here’s a summary of the key highlights from the official announcement for Windows 11 Insider Preview Build 26120.4520 (KB5060834) in the Beta Channel, as published on the Windows Insider Blog on June 27, 2025:

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What’s New​

Passwordless Improvements with 1Password​

• 1Password is now integrated as a passkey provider in Windows 11.
• Setup process:
• Install 1Password Beta on Windows 11.
• Go to Settings > Passkeys > Advanced options and enable plugin credential manager.
• Complete user verification with Windows Hello.
• You can use existing or create new passkeys saved to your credential manager.
• Developers can integrate with Windows 11 to support passkeys.

Other Notable Changes (with toggle ON)​

• Voice access: Japanese language support is temporarily disabled for bug fixes.
• Settings: In EEA, when changing the default browser, it’s now pinned to the Taskbar and Start menu unless you opt out.

Fixes​

• File Explorer: Fixes for Home crashes, thumbnail disappearance for pinned favorites.
• Start Menu: Fixes for duplicate folder entries, animation bugs.
• Input: Fixed ctfmon.exe crash impacting typing.
• Performance: Fixed memory leak from lock screen slideshows, improved dialog scaling.

Known Issues​

• Beta Channel Rollout: Now receives the most current build directly.
• Update Rollback Error: Error 0x80070005 possible; try “Fix issues using Windows Update” in System > Recovery.
• New Start Menu: Touch interaction unreliable; swipe-up gesture and drag/drop are limited.
• Xbox Controllers: Bluetooth connection may cause bugcheck; workaround is to uninstall XboxGameControllerDriver.inf from Device Manager.
• Click to Do Preview: Possible delays on first use with AMD/Intel Copilot+ PCs after updates.
• File Explorer (AI Actions): Narrator scan mode may not work for Summarize AI on bulleted lists.
• Widgets: Pinning support in the new widgets board is not finalized.

Reminders​

• Features may appear/disappear and change or never ship to the public.
• Some features in preview may lack full localization/accessibility.
• Controlled Feature Rollout means features are enabled for a subset of Insiders before a broad rollout.

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For full details and feature images/screenshots, see the official blog post:
Announcing Windows 11 Insider Preview Build 26120.4520 (Beta Channel)
If you need a breakdown of all detailed changes, let me know!

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Source: Microsoft - Windows Insiders Blog Announcing Windows 11 Insider Preview Build 26120.4520 (Beta Channel)