Issues

• A Textbox's internal context menu inherits the font of the textbox itself.

  bug
  lepoco/wpfui#1769 · Filter by author Iridium-IO opened on Oct 14, 2026

• WPF UI Gallery Problem

  bug
  lepoco/wpfui#1768 · Filter by author ErikWorks2026 opened on Oct 7, 2026

• Bug title

  bug
  lepoco/wpfui#1763 · Filter by author kevin021016 opened on Sep 23, 2026

• 🐛 TitleBar Buttons Have Hit Testing and Click Issues

  bug
  lepoco/wpfui#1760 · Filter by author keeleycenc opened on Sep 15, 2026
  2

• NavigationViewItem does not render MenuItems beyond the 2nd nesting level

  bug
  lepoco/wpfui#1754 · Filter by author SimonGVV opened on Aug 12, 2026

• bug: NavigationViewItemAutomationPeer causes UI thread freeze / crash on Wine and degraded Windows UIA environments

  bug⭐ top bug⭐ top issue
  lepoco/wpfui#1748 · Filter by author nate1280 opened on Jul 24, 2026
  3

• Cleartype not working

  bug
  lepoco/wpfui#1746 · Filter by author Joe-Fernico opened on Jul 21, 2026
  11

• High-frequency drawing performance degrades as the window size increases

  bug
  lepoco/wpfui#1745 · Filter by author MatinxHT opened on Jul 20, 2026
  3

• Feature Request: Jalali (Solar Hijri) calendar support for date picker controls

  enhancement
  lepoco/wpfui#1743 · Filter by author matinkarimi234 opened on Jul 10, 2026
  2

• AutoSuggestBox: show SuggestionsList on focus

  enhancement
  lepoco/wpfui#1740 · Filter by author unchihugo opened on Jul 4, 2026

• SymbolIcon renders the wrong glyph for all SymbolRegular/SymbolFilled members above U+FFFF (supplementary plane)

  bug
  lepoco/wpfui#1736 · Filter by author ccondotti opened on Jun 25, 2026
  1

• [Bug] SystemThemeWatcher is not working properly

  bug
  lepoco/wpfui#1735 · Filter by author maihcx opened on Jun 23, 2026

• foreground is incorrect when the button is pressed

  bug⭐ top bug
  lepoco/wpfui#1734 · Filter by author maihcx opened on Jun 15, 2026
  1

• [Bug] ui:Button Appearance="Primary" is transparent when resources are defined in FluentWindow instead of App.xaml

  bug
  lepoco/wpfui#1732 · Filter by author ValeriyLappo opened on Jun 10, 2026
  1

• LeftFluent NavigationViewItem hover invisible in Light theme

  bug
  lepoco/wpfui#1729 · Filter by author ACbye opened on Jun 8, 2026

• TextBlock registers DependencyProperties against the framework System.Windows.Controls.TextBlock (since 4.2.1), making Wpf.Ui impossible to load in more than one AssemblyLoadContext

  bug
  lepoco/wpfui#1727 · Filter by author TWiesendanger opened on Jun 3, 2026
  4

• Does WPF UI change the default GridSplitter behavior?

  bug
  lepoco/wpfui#1726 · Filter by author JHeLiu opened on Jun 3, 2026

• WPF UI | WPF UI Gallery Problem - TimePicker does not work

  bug
  lepoco/wpfui#1725 · Filter by author Moinn opened on Jun 2, 2026
  2

• [Bug] After 4.2.1, ui:Button foreground error on pressed

  bug
  lepoco/wpfui#1722 · Filter by author emako opened on May 19, 2026
  3

• ui:button icon not bindable

  bug
  lepoco/wpfui#1720 · Filter by author ahmedtalaat327 opened on May 15, 2026
  1

• [Request] BalloonTip support in Wpf.Ui.Tray

  enhancement
  lepoco/wpfui#1713 · Filter by author maihcx opened on May 13, 2026

• [Bug] ToggleSwitch: When I hold down the mouse and pan to the left, the button will enter an unknown state

  bug
  lepoco/wpfui#1712 · Filter by author emako opened on May 9, 2026
  1

• TreeViewItem selection indicator too short when items are large in height

  bug
  lepoco/wpfui#1711 · Filter by author superware opened on May 8, 2026
  1

• Flyout should have a drop shadow

  bug
  lepoco/wpfui#1708 · Filter by author chucker opened on May 3, 2026

• UI Freezes (takes long to load) with sufficiently large list of items in a combo box. Introduced in PR #1645

  bug
  lepoco/wpfui#1704 · Filter by author steven-norris opened on May 1, 2026