dotnet/wpf

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WPF is a .NET Core UI framework for building Windows desktop applications.

Stars: 7.7k
Forks: 1.3k
Open beginner issues: 0
Indexed issues: 1.4k
Avg merge: 1d 11h
Merged PRs (30d): 61

Dominant language: C#
License: MIT
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Open All

1441 open issues indexed

CompositionTarget.Rendering event slows down when there are no UI updates Open

Enhancement Requested

dotnet/wpf#1908 · 15 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Expose facilities for contributing to/controlling the WPF Themeing engine Open

Design Discussion Enhancement Requested

dotnet/wpf#1913 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Remove the "BuildingProject" directive completely from WinFx.targets Open

Bug

dotnet/wpf#1914 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
System.Windows.Controls.PrintDialog throws exception when I run under a different Windows Account and Platform Target x86 Open

.NET Framework

dotnet/wpf#1920 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Certain members of AccessText should be public Open

Enhancement Requested

dotnet/wpf#1930 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Certain members of ItemAutomationPeer should be public Open

Enhancement Requested

dotnet/wpf#1931 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
PropertyGroupDescription/SortDescription IsEnabled property Open

Enhancement Requested

dotnet/wpf#1932 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
FrameworkElement.Language does not use culture user overrides Open

Enhancement Requested

dotnet/wpf#1946 · 10 comments · 9 reactions · 0 assignees · Indexed Sep 15, 2026
Changing "WPF Trace Settings" for Visual Studio debugging has no effect Open

Bug regression

dotnet/wpf#1970 · 9 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Potential TOCTTOU race in Window.ShowDialog Open

.NET Framework

dotnet/wpf#1983 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Fix buffer use in DataObject Open

dotnet/wpf#1984 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Misleading error message in .NET Core WPF Open

Bug

dotnet/wpf#1991 · 7 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Provide an equivalent for the WinForms Screen class Open

Enhancement Requested

dotnet/wpf#2012 · 7 comments · 9 reactions · 0 assignees · Indexed Sep 15, 2026
Expander control is not narrated Open

.NET Framework Accessibility

dotnet/wpf#2024 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Using win32 to show the splash screen Open

Performance

dotnet/wpf#2031 · 8 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Enabling Roslyn analyzers Open

area-infrastructure help wanted

dotnet/wpf#2033 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
does wpf work well with the nullable features in c# 8? Open

Bug

dotnet/wpf#2040 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Duplexing support is incomplete in PrintTicket and PrintCapabilities Open

Enhancement Requested

dotnet/wpf#2041 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support Opentype SVG fonts Open

Enhancement Requested

dotnet/wpf#2043 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Drop shadow causes clipping when saved to XPS Open

Bug

dotnet/wpf#2047 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WPF topmost window Cannot touch in tablet Open

area-Touch Bug

dotnet/wpf#2054 · 1 comment · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Add D3D11Image and D3D12Image to WPF Open

Enhancement Requested

dotnet/wpf#2062 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
WPF3D improvements. Open

Enhancement Requested

dotnet/wpf#2063 · 21 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Trigger Binding to Child Control Not Working Open

Documentation

dotnet/wpf#2069 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
VisualState.StateTriggers and VisualState.Setters Open

Enhancement Requested

dotnet/wpf#2080 · 1 comment · 8 reactions · 0 assignees · Indexed Sep 15, 2026
Update XPS Serialization Stack for Packaging/Compression Semantic Changes Open

Enhancement Requested Epic

dotnet/wpf#2085 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Adding a SpinEdit / NumericUpDown Control to WPF Open

Enhancement Requested

dotnet/wpf#2096 · 9 comments · 14 reactions · 0 assignees · Indexed Sep 15, 2026
Printing XPS files fails on Windows 8.1 Open

Bug regression

dotnet/wpf#2106 · 4 comments · 1 reaction · 1 assignee · Indexed Sep 15, 2026
VisualDiagnostics.GetXamlSourceInfo returns null for nested templates Open

Bug Partner Request

dotnet/wpf#2119 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Ensure NuSpecs for transport packages conform to NuGet guidance Open

area-infrastructure Bug

dotnet/wpf#2139 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
New Windows (.xaml files) open twice in VS and intellisesense doesn't fully load til repopen Open

issue-type-tracking-external

dotnet/wpf#2146 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Simplify CellTemplate in XAML Open

Enhancement Requested

dotnet/wpf#2147 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Webbrowser - Add SuppressScriptErrors property Open

Enhancement Requested

dotnet/wpf#2150 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Building a project after deleting a XAML file results in an error Open

Bug

dotnet/wpf#2156 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WPF window stops rendering when using a BitmapCache inside while another window is invisible Open

Bug

dotnet/wpf#2158 · 10 comments · 6 reactions · 1 assignee · Indexed Sep 15, 2026
Known issus: Popup with “StaysOpen=false” steals PreviewMouseDown event Open

Enhancement Requested

dotnet/wpf#2166 · 2 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Disable click sound on navigating from a System.Windows.Controls.Frame Open

Enhancement Requested

dotnet/wpf#2174 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
System.ArgumentException in PresentationFramework.dll!System.Windows.Controls.ToolBarTray.MeasureOverride Open

:construction: work in progress Bug PR Proposed

dotnet/wpf#2189 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider exposing an hwnd-scoped version of UpdateLayout Open

Enhancement Requested

dotnet/wpf#2190 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Designer crash when hovering over usercontrol. dotnet core 3.0. Open

issue-type-tracking-external

dotnet/wpf#2206 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ContentPresenters created by GridViewRowPresenters are visible to automation Open

Enhancement Requested

dotnet/wpf#2212 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add loading fonts from memorystream or byte array Open

Enhancement Requested

dotnet/wpf#2235 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Window overflows to second screen after it is snapped to desktop top Open

Bug

dotnet/wpf#2242 · 18 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Animating an inherited property doesn't work (sometimes) Open

Bug

dotnet/wpf#2246 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
[DirectWriteForwarder] Unmanaged object leak Open

Performance

dotnet/wpf#2249 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
After Modified screen dpi，Unloaded/Loaded is trigged unexpectedly Open

dotnet/wpf#2255 · 2 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
Support DataAnnotations and TagHelpers in WPF Open

Design Discussion

dotnet/wpf#2256 · 4 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
TabControl tab get selected when a Button is pressed on a ToolBar Open

Bug

dotnet/wpf#2278 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MarkupCompilePass2 shouldn't zero GeneratedInternalTypeHelper.g.cs Open

Bug

dotnet/wpf#2281 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
An implicit style located in merged resource dictionary is not applied to the first control of the target type if the main resource dictionary is empty Open

.NET Framework Bug

dotnet/wpf#2286 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

dotnet/wpf

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