microsoft/WindowsAppSDK

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The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

Stars: 4.7k
Forks: 471
Open beginner issues: 0
Indexed issues: 358
Avg merge: 3d 13h
Merged PRs (30d): 28

Dominant language: C++
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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358 open issues indexed

Windows App SDK 1.7.3：`base.h` `#elif _DEBUG` gives build error C1017: invalid integer constant expression Open

area-External

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5507 · 4 comments · Opened Jun 11, 2025
Project Templates default to ApplicationType="Windows Store", filtering out Desktop APIs Open

area-WinAppSDK:Templates Status: Reviewed

Difficulty 3/5 1-2 days Newbie friendliness 42/100

microsoft/WindowsAppSDK#5500 · 2 reactions · Opened Jun 9, 2025
LanguageModel.GetReadyState() takes 20 to over 100 seconds to run on Intel Open

area-WCR

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5487 · 2 comments · Opened Jun 2, 2025
When opening the file from the console an exception is triggered -> RPC server is unavailable. Open

area-Activation needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5481 · 3 comments · 1 reaction · Opened May 30, 2025
Noisy DeploymentManager exceptions in 1.8 Exp 2 Open

area-WinAppSDKDeployment needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5447 · 5 comments · Opened May 23, 2025
Invalid resourcekey generates unhelpful winrt::hresult_error exception Open

area-MRTCore needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5442 · 1 comment · Opened May 20, 2025
Breakpoint experience unhelpful in WinUI Apps Open

area-DeveloperTools needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5441 · 2 comments · 6 reactions · Opened May 20, 2025
Weird app size issue with metapackage Open

area-Metapackage documentation needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/WindowsAppSDK#5438 · 1 comment · 1 reaction · Opened May 19, 2025
Windows Update Broke PhiSilica Open

area-WCR

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5425 · 16 comments · Opened May 13, 2025
Widget boards - differences Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/WindowsAppSDK#5420 · 1 comment · Opened May 12, 2025
`Microsoft.Windows.ApplicationModel.Background.UniversalBGTask.dll` is included in output of framework-dependent unpackaged app Open

area-BackgroundTask area-WinAppSDKDeployment

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/WindowsAppSDK#5398 · 3 comments · 3 reactions · Opened May 6, 2025
warning MSB8027: Two or more files with the name of WindowsAppRuntimeAutoInitializer.cpp will produce outputs to the same location. Open

area-DeveloperTools needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5395 · 7 comments · 5 reactions · Opened May 5, 2025
PointerDevice.GetPointerDevice(...) fails for stylus and touch Open

area-WinUI needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5387 · Opened Apr 30, 2025
[BuildTools.MSIX] Adding package to project yields WinAppSdkValidateAppxManifestItems error Open

area-MSIXBuildTools needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5348 · Opened Apr 18, 2025
ActivationRegistrationManager Machine Wide Open

area-Lifecycle feature proposal needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5345 · 6 comments · Opened Apr 17, 2025
[Template] F# Templates Open

area-WinAppSDK:Templates feature proposal Status: Reviewed

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/WindowsAppSDK#5339 · 1 comment · Opened Apr 16, 2025
ApplicationLanguages.PrimaryLanguageOverride cannot be unset Open

area-MRTCore needs-triage

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

microsoft/WindowsAppSDK#5335 · Opened Apr 15, 2025
Phi Silica text completions are really slow Open

area-WCR

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5334 · 3 comments · Opened Apr 15, 2025
Partner Center failures are all unknown, no crash dumps Open

area-DeveloperTools area-External needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5306 · 10 comments · 5 reactions · Opened Apr 5, 2025
WCR API about Image Super Resolution failed in Intel/AMD/QC platform Open

area-WCR

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5279 · 3 comments · Opened Mar 27, 2025
Version 1.7 Experimental (1.7.0-experimental3) Error with Class not registered Open

area-WCR

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5244 · 11 comments · 1 reaction · Opened Mar 18, 2025
Fail to restore NuGet packages for WindowsAppSDK projects Open

area-Infrastructure needs-triage

microsoft/WindowsAppSDK#5241 · 7 comments · 1 assignee · Opened Mar 18, 2025
Please enable midl Multi-processor compilation by default in C++WinRT project Open

area-Projections needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5227 · 5 reactions · Opened Mar 13, 2025
Phi Silica ignoring stop token Open

area-WCR

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5203 · 1 comment · Opened Mar 3, 2025
Issue with MakeAvailableAsync() Hanging Without Error Open

area-WCR Status: Investigating

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5200 · 2 comments · Opened Mar 3, 2025
Push Notifications not working ONLY on Windows 10 Build 19045 Open

area-Notifications needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/WindowsAppSDK#5193 · 1 comment · Opened Feb 27, 2025
Issue using WinAppSDK Phi Silica Features in a DLL Build Open

area-WCR Status: Investigating

Difficulty 4/5 3-5 days Newbie friendliness 34/100

microsoft/WindowsAppSDK#5188 · 5 comments · Opened Feb 26, 2025
No prompt for ImageDescriptionGenerator Open

area-WCR Status: Investigating

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5186 · 4 comments · 2 reactions · Opened Feb 26, 2025
Running language model report System.Runtime.InteropService.COMException Open

area-WCR Status: Investigating

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5171 · 10 comments · 2 reactions · Opened Feb 20, 2025
Phi-Silica: JSON Mode, Function calling Open

area-WCR

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/WindowsAppSDK#5164 · 4 comments · 4 reactions · Opened Feb 18, 2025
Phi Silica - Embeddings Open

area-WCR

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

microsoft/WindowsAppSDK#5163 · 6 comments · Opened Feb 17, 2025
PushNotifications doesn't support azure notifications hub Open

area-Notifications needs-triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/WindowsAppSDK#5141 · 3 comments · 1 reaction · Opened Feb 12, 2025
Feature Request: Allow WCR AI features on non-Copilot+ hardware (GPUs) Open

area-WCR

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/WindowsAppSDK#5126 · 5 comments · 16 reactions · Opened Feb 8, 2025
Methods in M.W.AI.Generative.ILanguageModelX interfaces missing unique overload attributes Open

area-WCR

microsoft/WindowsAppSDK#5118 · 5 comments · 1 assignee · Opened Feb 7, 2025
Missing symbols package when building in dotnet msbuild workflow (mspdbcmf.exe not found) Open

area-DeveloperTools feature proposal

microsoft/WindowsAppSDK#5102 · 7 comments · 4 reactions · 1 assignee · Opened Feb 5, 2025
Using a C++WinRT component in C# project error CS0400: The type or namespace name could not be found in the global namespace (are you missing an assembly reference?) Open

area-Projections

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5071 · 15 comments · Opened Jan 26, 2025
Feature proposal:Hope to increase the resolution of resources.pri in the language resource package Open

area-MRTCore feature proposal

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/WindowsAppSDK#5069 · 5 comments · Opened Jan 25, 2025
Feature proposal:Hope to read Pri file resource content from stream Open

area-MRTCore feature proposal

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5068 · Opened Jan 25, 2025
App activation fires multiple times when launching multiple files Open

area-Activation

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/WindowsAppSDK#5066 · 1 comment · 2 reactions · Opened Jan 24, 2025
Improve documentation and getting started experience with VSCode and Windows App SDK Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5064 · Opened Jan 23, 2025
Feature Request: Schedule toast notifications Open

area-Notifications feature proposal

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/WindowsAppSDK#5050 · 8 comments · 3 reactions · Opened Jan 18, 2025
WinAppSdk 1.6 Multi monitor Incoming Toast notification Open

area-Notifications

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5033 · Opened Jan 15, 2025
ThemeSettings Crashing application Open

area-WinUI bug needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#6057 · 2 comments · Opened Jan 14, 2025
DWriteCore returns shifted glyph indices in a glyph run Open

area-DWriteCore

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5024 · Opened Jan 13, 2025
DWriteCore inconsistent/wrong/non-fractional line spacing Open

area-DWriteCore

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5022 · 1 comment · 1 reaction · Opened Jan 12, 2025
From AppExecutionAlias startup, AppInstance.GetActivatedEventArgs returns null Open

area-Lifecycle

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#5006 · 3 comments · Opened Jan 7, 2025
AppNotificationBuilder.BuildNotification fails with ComException when the character ' appears on an AppNotificationButton Open

area-Notifications

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#4996 · Opened Dec 21, 2024
`ToastNotificationManager.CreateToastNotifier()` crash the app if user change their username without signing out Open

area-Notifications

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#4981 · 2 comments · Opened Dec 18, 2024
MSIX packaging for arbitrary .NET project types Open

area-dotnet documentation

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/WindowsAppSDK#4932 · 6 comments · 1 reaction · Opened Dec 3, 2024
`desktop:ExecutionAlias` declared in `Package.appxmanifest` not working on Windows Server 2019 Open

area-Activation area-External

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/WindowsAppSDK#4905 · 4 comments · Opened Nov 21, 2024

microsoft/WindowsAppSDK

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