Issues

• Usercontrol template is borken

  area-WinAppSDK:Templatesneeds-area-owner-attention
  microsoft/WindowsAppSDK#6968 · Filter by author ghost1372 opened on Nov 12, 2026
  1

• ApplicationData.Close()/Dispose() crashes with 0xC0000005 on Windows 10 (Windows App SDK 2.6.5)

  area-ApplicationDataneeds-area-owner-attention
  microsoft/WindowsAppSDK#6967 · Filter by author Nevca opened on Nov 12, 2026

• After the app installation fails, the result returned is still success

  area-PackageManagementneeds-area-owner-attention
  microsoft/WindowsAppSDK#6966 · Filter by author Gaoyifei1011 opened on Nov 11, 2026

• WinUI 3 / Windows App SDK MSIX app: 2.1–2.9 s spent before any managed code runs on the first launch after install or reinstall

  needs-triage
  microsoft/WindowsAppSDK#6963 · Filter by author suki-lqh opened on Nov 9, 2026

• WindowsML 2.7.2021-experimental still uses onnxruntime 1.30.0 but it has modified structures compared to the official onnxruntime 1.30.0 releases

  area-WinMLneeds-area-owner-attention
  microsoft/WindowsAppSDK#6962 · Filter by author philipag opened on Nov 8, 2026
  2

• [Question] Production use and stable-channel timeline for Microsoft.Windows.AI.Imaging.ImageGenerator (2.6.6-experimental)

  area-WCRneeds-area-owner-attention
  microsoft/WindowsAppSDK#6961 · Filter by author GH-tjf opened on Nov 8, 2026

• Regression 2.6: Enable item templates for metapackage and WinUI projects (from 2.5)

  area-WinAppSDK:TemplatesStatus: Pending release
  microsoft/WindowsAppSDK#6960 · Filter by author AliveDevil opened on Nov 7, 2026
  4

• AppWindowTitleBar.ExtendsContentIntoTitleBar crashes (null dereference in CTitleBar::InitializeDComp) when DCompositionCreateDevice3 fails, e.g. in a non-interactive window station

  area-Windowingneeds-area-owner-attention
  microsoft/WindowsAppSDK#6955 · Filter by author triplef opened on Nov 6, 2026

• [Question] Redistribution of onnxruntime.dll / DirectML.dll from Microsoft.Windows.AI.MachineLearning in an unpackaged ZIP app

  area-WCR
  microsoft/WindowsAppSDK#6950 · Filter by author Kaido-MSVC opened on Nov 5, 2026
  2

  

• WCR: Invisible watermark in ImageDescriptionGenerator output shows up in braille and interrupts screen reader speech (U+200B U+034F U+2060 U+200B)

  area-WCR
  microsoft/WindowsAppSDK#6936 · Filter by author kellylford opened on Nov 4, 2026
  3

• Non-code PRs require build

  area-Infrastructureneeds-area-owner-attention
  microsoft/WindowsAppSDK#6935 · Filter by author DrusTheAxe opened on Nov 4, 2026
  1

  

• Feature Request: ApplicationData.GetForUnpackaged() overload that gives unpackaged apps a way to declare its default ApplicationData

  area-ApplicationDatafeature proposal
  Feature

  microsoft/WindowsAppSDK#6934 · Filter by author JesseCol opened on Nov 3, 2026 · 3.0
  1

  

• WASDK debug output is missing newline

  needs-triage
  microsoft/WindowsAppSDK#6928 · Filter by author Gavin-Williams opened on Nov 2, 2026
  1

• windows.diagnosticServiceModule MSIX package fails to install on a non-default disk

  area-WinAppSDKDeploymentneeds-area-owner-attention
  microsoft/WindowsAppSDK#6917 · Filter by author BernhardMarconato opened on Oct 30, 2026

• DWriteCore: CGJ suppresses Arabic joining substitutions and deletes a visible MultipleSubst output

  area-DWriteCoreneeds-area-owner-attention
  microsoft/WindowsAppSDK#6913 · Filter by author aminanan opened on Oct 29, 2026

• Update MSIXBuildTools to the latest version in the templates

  area-WinAppSDK:Templatesneeds-area-owner-attention
  microsoft/WindowsAppSDK#6912 · Filter by author lauren-ciha opened on Oct 29, 2026
  1

• Proposal: Remove MainWindow.xaml from the WinUI project templates

  area-WinAppSDK:Templatesneeds-area-owner-attention
  microsoft/WindowsAppSDK#6891 · Filter by author YexuanXiao opened on Oct 23, 2026
  4

• Spec: Light/dark color mode detection and change notification

  area-Shell UXfeature proposalneeds-area-owner-attention
  microsoft/WindowsAppSDK#6890 · Filter by author riverar opened on Oct 22, 2026
  1

• [App Notifications] Unpackaged app retains custom attribution icon after Register() removes IconUri

  area-Notificationsneeds-area-owner-attention
  microsoft/WindowsAppSDK#6882 · Filter by author Geevo opened on Oct 20, 2026
  2

• [MRM.dll] Off-by-one path calculation in MrmGetFilePathFromName breaks default ResourceManager() in unpackaged apps with 0x8007007A (STRSAFE_E_INSUFFICIENT_BUFFER)

  area-MRTCorebugneeds-triage
  Bug

  microsoft/WindowsAppSDK#6883 · Filter by author doc-shashank opened on Oct 18, 2026
  1

• Windows AI structured JSON completes successfully without reporting progress, including long responses

  area-WCRStatus: Reviewed
  microsoft/WindowsAppSDK#6872 · Filter by author mattleibow opened on Oct 16, 2026
  1

• Windows AI structured JSON generation intermittently returns no progress or completion

  area-WCRStatus: Reviewed
  microsoft/WindowsAppSDK#6871 · Filter by author mattleibow opened on Oct 16, 2026
  1

• AppInstance.GetInstances() hangs forever after PID reuse: non-current AppInstance ctor leaks ownership of <AppId>_<pid>_Mutex

  area-Lifecycleneeds-area-owner-attention
  microsoft/WindowsAppSDK#6860 · Filter by author ShinoyukiMiyako opened on Oct 13, 2026
  2

• MddBootstrap.h is missing include of <cstdlib> - causes compile error on clang 23

  area-WinAppSDKDeploymentneeds-area-owner-attention
  microsoft/WindowsAppSDK#6853 · Filter by author dlech opened on Oct 10, 2026

• CreateChannelAsync fails with 0x8007139f (ERROR_INVALID_STATE) — Pending PFN to Entra AppId Mapping for Sideloaded MSIX

  area-Notificationsneeds-area-owner-attention
  microsoft/WindowsAppSDK#6842 · Filter by author nixonchew-section opened on Oct 6, 2026
  2