microsoft/microsoft-ui-xaml winui3/release/1.8.0

WinUI 3 in WinAppSDK 1.8.0

Repository: microsoft/microsoft-ui-xaml

Tag: winui3/release/1.8.0

Published: 2025-09-09T19:54:47Z

Prerelease: no

Release notes: The source code for the version of WinUI 3 in the WinAppSDK 1.8.0 is available. 1.8.0 is the latest stable release for the WinAppSDK that includes numerous new features and bug fixes.

Check out our release notes for the list of new features and issues fixed in this release for WinAppSDK.

Download the NuGet package for 1.8.0 here: https://www.nuget.org/packages/Microsoft.WindowsAppSDK/1.8.250907003.

💖Special shout out to United600 )for contributing: Improve text scale support on TextBox and NavigationView buttons

📃Here is the full list of fixed issues in 1.8.0:

• Not setting $(WindowsPackageType)=MSIX in the csproj does not add the deployment manager
• Regression: Windows are always "inactive"
• Re-Entrancy in ApplicationDataProvider::GetStateFolderUris
• BreadcrumbBar MoveFocus method should not use parameterless GetFocusedElement
• Missing TitleBarCompactContentMargin resource in TitleBar v1.8-Preview
• Slider value erratically changing on mouse drag when multiple windows are open
• [[SplitButton] Incorrect BorderBrush in Pressed state](https://github.com/microsoft/microsoft-ui-xaml/issues/10470)
• [[SplitButton] Incorrect height](https://github.com/microsoft/microsoft-ui-xaml/issues/10464)
• TabViewItem Header Text Has Uneven Padding When `TabWidthMode="SizeToContent"`
• [[TitleBar] Incorrect spacing when using a short title](https://github.com/microsoft/microsoft-ui-xaml/issues/10492)
• TitleBar has too much whitespace in collapsed mode
• [[CalendarDatePicker] Incorrect Header foreground brush](https://github.com/microsoft/microsoft-ui-xaml/issues/10467)
• [[CalendarDatePicker] Incorrect icon margin when long header is set](https://github.com/microsoft/microsoft-ui-xaml/issues/10469)
• Proposal: New subtle icon button style
• Proposal: Add 'Opened' event to InfoBar
• MenuFlyoutItem icon's foreground doesn't change back to resting color
• Regresssion: Composition drawing broken in multi-window app (worked in 1.5)
• ExtendsContentIntoTitleBar causes incorrect cursor events, button hover flickering, and click issue
• ExtendsContentIntoTitleBar = true causes incorrect cursor events in child windows (WinAppSdk 1.6+)
• Crash Caused by Re-Entrancy Due to Call to m_coreWebViewController.IsVisible(...)