.NET 11 Preview 6 does not introduce new Windows Forms feature additions.
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System.Windows.Forms.PropertyGrid
SelectedObjectsnow displays typed arrays correctly whenPropertySortis set toNoSort(dotnet/winforms #14190).SelectedTabnow changes correctly when a newSelectedObjectis assigned (dotnet/winforms #14438).- The cursor editor now caches its scaled icon size, preventing GDI resource exhaustion when it is resized (dotnet/winforms #14123).
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System.Windows.Forms.ToolStrip
ToolStripDropDownnow preserves modal menu tracking during focus changes. This lets SmartTag and dropdown UI close normally when users switch tab pages or otherwise move focus (dotnet/winforms #14606).ToolStripcontrols now update their layout correctly after a DPI change (dotnet/winforms #14454).
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System.Windows.Forms.ProgressBar
ProgressBarnow applies a default color in Dark Mode to improve visual contrast (dotnet/winforms #14339).
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System.Windows.Forms.Clipboard
GetText(TextDataFormat.Rtf)now retrieves RTF data that does not include a null-terminating character and restores the previous behavior (dotnet/winforms #14461).GetDataObject().GetImage()now returns bitmap images correctly (dotnet/winforms #14427).
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System.Windows.Forms.Control
AnchorLayoutV2now initializes deferred anchor information correctly when anchored controls are replaced while layout is suspended (dotnet/winforms #14505).
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System.Windows.Forms.CheckBox and System.Windows.Forms.RadioButton
CheckBoxandRadioButtoncontrols now return to their normal appearance when theAppearanceproperty is changed in Dark Mode (dotnet/winforms #14194).
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System.Windows.Forms.StatusStrip
StatusStripnow calculates its default padding and grip width consistently, preventing spring-enabledToolStripStatusLabelcontrols from disappearing (dotnet/winforms #14068).