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First Control in Visual Tree Ignores Styles from Nested ResourceDictionary in MergedDictionaries

Status: Open.

#11033 In dotnet/wpf;

· NeroXc92 opened on Aug 6, 2025

Significant FPS drop in MediaElement software rendering on x64 compared to x86 in .NET 8/9 possibly all

Status: Open.

#11029 In dotnet/wpf;

· MartinSnaparazzi opened on Aug 5, 2025

When the program starts, it crashes due to animation initialization

AccessibilityAn issue related to accessibility enhancements or blockers.An issue related to accessibility enhancements or blockers.

Status: Open.

#11026 In dotnet/wpf;

· dotecxy opened on Aug 4, 2025

Flickering when updating WritableBitmap

QuestionGeneral question, not a problem in source code or documentation (yet)General question, not a problem in source code or documentation (yet)

Status: Open.

#11025 In dotnet/wpf;

· IDXGI opened on Aug 2, 2025

Implement WinUI 3 scrolling for scrollviews.

Feature Request

Status: Open.

#11024 In dotnet/wpf;

· J0nathan550 opened on Aug 2, 2025

multiple crashes generating a response

📭 waiting-author-feedbackTo request more information from author.To request more information from author.

Status: Open.

#11019 In dotnet/wpf;

· vsfeedback opened on Jul 30, 2025

Could a hierarchical table be added, like Avalonia's TreeDataGrid Dev's TreeListControl

Feature Request

Status: Open.

#11018 In dotnet/wpf;

· xiahanlin opened on Jul 30, 2025

MessageBox automatically closes

InvestigateRequires further investigation by the WPF team.Requires further investigation by the WPF team.

Status: Open.

#11016 In dotnet/wpf;

· lykyngx opened on Jul 29, 2025

Backporting #9948 to v9

InvestigateRequires further investigation by the WPF team.Requires further investigation by the WPF team.

Status: Open.

#11009 In dotnet/wpf;

· jdb0123 opened on Jul 25, 2025

[10.0.100-preview.7.25372.102] error MC3063 for "Property 'ColumnDefinitions'/'RowDefinitions' does not have a value" will be thrown if WPF app has empty <Grid.ColumnDefinitions>/<Grid.RowDefinitions> defined

Status: Open.

#11008 In dotnet/wpf;

· Junjun-zhao opened on Jul 25, 2025

I can't give a newline expression to a line in C# and in a rich text box.

📭 waiting-author-feedbackTo request more information from author.To request more information from author.

Status: Open.

#10996 In dotnet/wpf;

· vsfeedback opened on Jul 21, 2025

richTextBox.Lines[0] = richTextBox.Lines[0]. Remove(0, 11)) this command does not work.

📭 waiting-author-feedbackTo request more information from author.To request more information from author.

Status: Open.

#10995 In dotnet/wpf;

· vsfeedback opened on Jul 21, 2025