Build 28000.2333: Windows Insider Release Preview Channel, June 2026. Custom user-folder names and clearer NPU usage in Task Manager

For: Insiders in the Release Preview Channel

• Moving Magnifier in lens mode is smoother.¹

For: Insiders using virtual machines

• Task Manager shows more accurate CPU speeds for virtual machines after they resume from hibernate.²
  Applies to the Performance page in Task Manager for VMs.

For: Insiders in the Release Preview Channel

• Apps launch faster, as do core areas such as Start, Search, and Action Center.³

For: Insiders in the Release Preview Channel

• Automatic accent-color selection more accurately matches your wallpaper.⁴
  Applies when automatic accent color selection is enabled in Personalization settings.
• Your wallpaper is more likely to remain in place across restarts and upgrades, including when using large-resolution images.⁵
  Improves wallpaper persistence and helps prevent a fallback to a solid color.

• Your device resumes more efficiently from Modern Standby.⁶
  Optimizes the Windows Biometric service (WinBio).
• Windows Hello Enhanced Sign-in Security is less likely to block authentication unexpectedly.⁷
  Resolves missing secure enrollment metadata.
• When face or fingerprint sign-in is available, Windows Hello uses it by default at each sign-in. If you use your PIN three times in a row, Windows keeps using the PIN until you switch to another sign-in method.⁸
  Applies on the lock screen and sign-in screen.

For: Insiders in the Release Preview Channel

• Windows Search finds and prioritizes files when you enter as few as two characters.⁹

For: Insiders in the Release Preview Channel

• When creating a Dev Drive or resizing a volume, you can specify its size in gigabytes instead of only megabytes.¹⁰
  The size option is available in the Dev Drive creation dialog and in Settings > System > Storage when resizing volumes.
• Opening the Storage settings page no longer immediately prompts for permission to view temporary files.¹¹
  The User Account Control (UAC) prompt appears only when you choose to view temporary files.

• Displays connected to USB4 docks and hubs turn on more consistently, especially after standby.¹²
• USB devices are more reliable when unexpected hardware faults or conditions occur.¹³
  The USB3 stack adds resiliency and recovery measures.

For: Insiders in the Release Preview Channel

• The system is more resilient to apps that could keep the sensor hub powered on and drain battery power.¹⁴

For: Insiders using HID devices

• Battery life improves when a HID device has failed, and apps are less likely to use power by starting HID transfers during standby.¹⁵
  Updates power handling in the HID and Input stack.

• The touch keyboard works more reliably on the sign-in screen, including when you enter or change a password.¹⁶
• File Explorer is more reliable when you close the input switcher.¹⁷
  Improves reliability of explorer.exe when closing the input switcher.
• Clipboard history opens and responds faster as you navigate it.¹⁸

For: Insiders reading Greek or Cyrillic text

• Greek and Cyrillic text using combining marks is more readable and consistent.¹⁹
  The Times New Roman font family adjusts the rendering and positioning of combining diacritical marks across Greek and Cyrillic scripts.

For: Insiders using Task Scheduler

• Task Scheduler remembers column width changes in the task list between sessions.²⁰

For: Insiders in the Release Preview Channel

• Desktop app shortcuts load more reliably.²¹

• Downloads use bandwidth more efficiently and complete faster.²²
  Includes underlying changes to improve download performance and bandwidth usage.
• Microsoft Store gives clearer error information when a download fails because Windows Update group policy settings are enabled.²³

For: Insiders in the Release Preview Channel

• Windows is more reliable on sign-in and lock screens, in File Explorer, during touchscreen gestures, and when changing themes in Settings.²⁴

For: Organizations using member servers and domain controllers

• Member servers can connect successfully to domain controllers set up before 2025.²⁵
  Improves Netlogon secure channel connections between domain controllers.

For: Insiders and organizations testing BitLocker

• BitLocker testing is more reliable because the required files are available for the USB BIOS Logo Test.²⁶
  Ensures required files are available for the BitLocker Drive Encryption USB BIOS Logo Test.

For: Insiders in the Release Preview Channel

• Magnifier gives clearer screen-reader announcements when you zoom, switch views, change color inversion, or turn Magnifier on or off.²⁷
• Magnifier can magnify permitted protected content.²⁸

For: Insiders with a PC that has an NPU

• Task Manager shows more information about NPU activity and app isolation through optional columns.²⁹
  Optional NPU and NPU Engine columns are available on the Processes, Users, and Details pages. NPU Dedicated Memory and NPU Shared Memory columns are available on Details. Neural engines that are part of a GPU appear on Performance, and an optional Isolation column is available on Processes and Details.

For: Enterprise administrators

• Camera options can be set to let multiple apps use the camera stream or to use a simplified mode for troubleshooting or stability.³⁰
  Enterprise administrators can set Multi-App Camera mode or Basic Camera mode through Group Policy at Computer Configuration > Administrative Templates > Windows Components > Camera > Configure Camera Options.

For: Insiders installing Windows

• During setup, you can choose a custom name for your user folder. If you skip this step, Windows uses the default name.³¹
  The option appears on the Device Name page. User folder names must follow standard Windows naming requirements.