Preview — All products

Start menu and dual-protocol printer scanning fixed

Fixes Start menu problems and scanning failures on USB-connected multifunction printers with dual protocol interfaces. Windows 10 support ends October 14, 2025.

Click to Do, Copilot, and search gain new tools; key bugs fixed

Click to Do, Copilot, and Windows Search gain new features, while fixes address problems with USB devices, printing, and Windows Hello. The preview also has open Noto font and Print to PDF issues.

Calendar clock seconds return; missing GB18030 characters fixed

Restores a calendar clock view with seconds and fixes specific GB18030 character rendering problems. It also has an open issue that can make CJK text look blurry at 96 DPI in Chromium-based browsers.

Copilot voice controls and Settings FAQs arrive; input issues addressed

Adds Copilot voice controls, Settings FAQs, and other gradual changes. It also addresses input and system issues, while blurry CJK text at 96 DPI remains a known issue.

Recall and Click to Do arrive; Windows Studio Effects removed

Recall, Click to Do, and improved search add new ways to find and act on content on Copilot+ PCs. The preview also removes Windows Studio Effects and lists issues with Citrix, CJK text, and Print to PDF.

File Explorer, Narrator and Widgets gain new features

Adds new File Explorer, Narrator, Phone Link and Widgets features, and fixes several Start menu and taskbar problems. It also lists open issues affecting Citrix installations, WSUS upgrades and CJK text in some browsers.

WSL2 GPU support and System Guard service errors fixed

Fixes a WSL2 GPU paravirtualization check and a System Guard Runtime Monitor Broker error in Event Viewer. It also updates the vulnerable driver blocklist.

Includes 2 improvements

Includes previously released security improvements and quality and reliability changes for Windows 10 version 22H2. It adds no new security improvements.

April preview update is superseded

This April preview cumulative update is superseded by KB5055627. It applies to Windows 11, version 24H2, on x64 and Arm64 devices.

UNC file and directory operations get a reliability fix

Addresses an issue with .NET file and directory operations on UNC shares. It contains no new security improvements.

Network-share file operations get a reliability fix

The update addresses an issue with .NET applications that use file and directory APIs on network shares. If you already installed the April 8, 2025 Security and Quality Rollup, no action is needed.

File operations on network shares are addressed

The update addresses a .NET issue involving files and folders on network shares. It adds no new security improvements.

Copilot+ search understands natural language; CJK text may blur

Copilot+ PCs can search with everyday phrases, while blurry CJK text may appear in some browsers at 100% scaling. This optional preview also adds input, caption, and Settings changes.

Gamepad typing and PC-spec cards arrive; Suggested actions retire

Adds gamepad typing and PC-spec cards, and changes Windows Search in the EEA. Suggested actions are being removed; blurry CJK text at 96 DPI remains a known issue.

Noto fonts add CJK support but can blur browser text

Chinese, Japanese, and Korean text gains Noto font support, but can look blurry in Chromium browsers at 100% scaling. The calendar's seconds-view rollout is paused.

Reliability updates for .NET 3.5, 4.8 and 4.8.1

Includes cumulative quality and reliability improvements for .NET Framework 3.5, 4.8 and 4.8.1. It adds no new security improvements and has no known issues.

Taskbar sharing arrives as File Explorer and audio fixes roll out

Share files from taskbar jump lists, use new camera options, and get fixes for File Explorer, audio, scanners, and more. This optional preview also lists open Roblox, Citrix, and Remote Desktop issues.

Taskbar file sharing arrives alongside File Explorer fixes

Share files from taskbar jump lists, with new Spotlight and Narrator features and several File Explorer fixes. The USB printer issue has a fix in KB5053657.

Narrator and Chinese IME problems fixed; SSH starts again

Narrator now reports Chinese IME controls correctly, and the OpenSSH service starts so SSH connections work again. The preview also fixes repeated stops in Dwm.exe.

USB printers may print random data; File Explorer fixes arrive

Adds File Explorer and sharing features and fixes problems with USB audio, cameras, and more. Some USB-connected dual-mode printers may print random data; KB5053657 later resolves that issue.

File Explorer gains tab restore; mouse and audio fixes arrive

File Explorer can restore open tabs, and fixes address mouse, audio, and Remote Desktop problems. This optional preview also adds a Chinese font and changes taskbar previews.

Screen capture and audio failures fixed; Outlook app added

Adds the new Outlook app and fixes several problems, including unresponsive screen capture, USB audio failures, and virtual memory depletion.

Opt-in WPF change addresses memory errors in large print jobs

An opt-in WPF setting addresses an OutOfMemory exception when printing many pages. The fix must be enabled in the app.config file.

Opt-in fix addresses memory errors when WPF apps print large jobs

An opt-in WPF fix addresses an out-of-memory problem when printing many pages. The update contains no new security improvements.

Large WPF print jobs get an opt-in memory fix

An opt-in WPF change addresses failures when printing many pages because of an out-of-memory exception. Apps must enable it in their configuration.