Pull requests: dotnet/winforms
Pull requests list
Document Windows Forms compatibility switches
waiting-review
This item is waiting on review by one or more members of team
Handle disposed AsyncWaitHandle during BeginInvoke completion
#14998
opened Aug 28, 2026 by
jaywang-cn
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Fix ToggleSwitch focus border rendering for CheckBox and RadioButton
#14990
opened Aug 27, 2026 by
LeafShi1
Member
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Fix issue 14778: Controls inside GroupBox no longer reflect inherited ForeColor/BackColor updates in VisualStylesMode.Net11
#14929
opened Aug 25, 2026 by
SimonZhao888
Member
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Add a per-state stroke model for Net11 editable-control borders
#14919
opened Aug 22, 2026 by
ricardobossan
Member
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Added unit tests for low-coverage System.Windows.Forms classes
#14911
opened Aug 20, 2026 by
Sathish-087
Contributor
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Add TestAccessor support for auto-property backing fields
#14901
opened Aug 18, 2026 by
JayashreeSF3546
Contributor
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Added deserialization unit tests to CodeDomComponentSerializationService
#14900
opened Aug 18, 2026 by
Rabina4363sf
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Added unit test coverage for VisualStylesMode rendering scenarios in NumericUpDown and Button controls.
#14899
opened Aug 18, 2026 by
abineshPalanisamy
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Make GDI+ and encoder init thread-safe; add concurrency tests
area-gdiplus
draft
draft PR
#14896
opened Aug 17, 2026 by
KlausLoeffelmann
Member
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Draft
Fix Image dimension DefaultValue metadata
draft
draft PR
#14895
opened Aug 16, 2026 by
breadtitor
•
Draft
Fixed the issue where text in controls such as TextBox and ComboBox was obscured at the bottom.
#14887
opened Aug 13, 2026 by
SimonZhao888
Member
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Fix Issue 14793: ToolStripTextBox renders incorrectly when hosted in MenuStrip
draft
draft PR
#14873
opened Aug 11, 2026 by
SimonZhao888
Member
•
Draft
Fix issue 14859: CheckBox and RadioButton ignore explicit BackColor values in VisualStylesMode.Net11
#14865
opened Aug 7, 2026 by
SimonZhao888
Member
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Fix issue 14772: Button hosted on a TabPage does not use the Windows accent-colored focus indicator with VisualStylesMode = NET11
#14860
opened Aug 6, 2026 by
SimonZhao888
Member
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I add NetFx breaking-change guidance skill
untriaged
The team needs to look at this issue in the next triage
#14845
opened Aug 4, 2026 by
w3lld1
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Fix issue 14795: ComboBox with DropDownStyle.Simple renders incorrectly and displays an unexpected vertical scrollbar
#14827
opened Jul 30, 2026 by
SimonZhao888
Member
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Fix issue 14808: CheckBox/RadioButton: ToggleSwitch overlaps text when RightToLeft is enabled and AutoSize is false
#14815
opened Jul 27, 2026 by
SimonZhao888
Member
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Fix The nodes of TreeView not in dark mode when editing it
#14787
opened Jul 20, 2026 by
Sathish-087
Contributor
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Fix Button click after Dark to Light color mode switch
#14785
opened Jul 20, 2026 by
abineshPalanisamy
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Fix DataGridViewCheckBoxCell error icon suppression in edit mode
#14747
opened Jul 16, 2026 by
KSaiSivani
Contributor
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Fix ItemHeight of ListBox is not scaled on high DPI in OwnerDrawFixed mode
area-HDPI-PMv2
Issues related to high DPI PerMonitorV2 mode
area-HDPI-SA
Issues related to high DPI SystemAware mode
#14740
opened Jul 15, 2026 by
ricardobossan
Member
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Fix Issue 14721: TreeView.CustomDraw leaks one HFONT per visible item per paint when NodeFont is set, leading to GDI handle exhaustion and crash
#14730
opened Jul 13, 2026 by
SimonZhao888
Member
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Fix ThreadContext CurrentForm to reflect ApplicationContext MainForm changes
#14724
opened Jul 10, 2026 by
abineshPalanisamy
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