Released: Jun 18, 2026

26.1.3 での更新項目

機能

AI Agent Skills

• v26.1 introduces Agent Skills for DevExpress WPF Controls, structured knowledge packages that equip AI coding assistants with accurate, product-specific expertise for WPF controls.
• Each skill defines the correct NuGet packages, entry-point classes, API patterns, XAML markup, and configuration for a specific WPF control or usage scenario. AI assistants use this knowledge to generate accurate WPF code from the first prompt.
• Skills follow the open Agent Skills standard and work...

Released: Jun 10, 2026

25.2.8 での更新項目

不具合の修正

All WPF products

• Calculated Field - Edit Expression option is not available for DateTime, Time, and TimeSpan field types.
• End-User Report Designer - Opened tabs miss the asterisk (*) that indicates pending changes.
• MongoDBDataSource - Decimal128 isn't recognized as a simple primitive type.
• Visual Studio Report Designer - JsonDataSource connection string misses defined header/query/path parameters.
• XtraReport.SaveLayout - Disabling scripts causes CodeDOM serialization to lose script...

Released: May 6, 2026

25.2.7 での更新項目

不具合の修正

All WPF products

• XtraReport - ScriptReferences are no longer used for compilation.

DXCharts for WPF

• NullReferenceException is thrown when WaterfallSeries2D is removed while different series types are present.

DXEditors for WPF

• DateNavigator navigation does not work when explicitly used within a DateEdit PopupContentTemplate.

DXGrid and DXTreeList for WPF

• GridControl automation values differ from previous versions even if LegacyAutomationNamesRowsCells is enabled.
• Sorted TreeListView loses...

Released: Apr 7, 2026

25.2.6 での更新項目

不具合の修正

All WPF products

• DocumentPreviewControl throws NullReferenceException after TAB is pressed on the last editable field and clicking on the preview.
• NonTrustedTypeDeserializationException is thrown even when RegisterTrustedAssembly is used.
• ReportGenerationExtensions helper class produces an incorrect filter string when converting a WPF grid control to a report.
• Reporting controls lose/misalign borders when exporting to a DOCX file using the Frame-based layout.
• XRRichText - Formulas...

Released: Mar 2, 2026

25.2.5 での更新項目

不具合の修正

All WPF products

• Query Parameters Dialog - Preview can't be displayed after changing the value to Expression without reopening the dialog.
• Visual Studio Report Designer - Expression Editor throws InvalidCastException if an expression that has a calculated field is hovered over.
• Visual Studio Report Designer - The Toolbox panel is empty (the Solution Folders issue).
• Visual Studio Report Designer - UI background does not reflect new VS 2026 themes.
• XRShape - LineWidth is changed to 0 when...

Released: Feb 3, 2026

25.2.4 での更新項目

不具合の修正

All WPF products

• DocumentPreviewControl - An exception is thrown when you press the Page Setup button.
• Report Designer - Text localization doesn't apply to some items.
• WPF Viewer - Report generation works incorrectly when CachedReportSource is used.
• XRRichText - Formulas / Equations are exported incorrectly in RTF format.

DXBars for WPF

• BarButtonItem is rendered too wide in certain cases when DataContext is set in code.

DXCharts for WPF

• Chart3DControl - Axis title alignment is ignored...

Released: Dec 18, 2025

25.2 での更新項目

機能

• .NET 10 and Visual Studio 2026 Support - DevExpress WPF component libraries now support .NET 10 and Visual Studio 2026.
• DevExpress Template Kit
  • New Item Templates - The DevExpress Template Kit v25.2 includes over 40 item templates for WPF projects.
  • Project Templates for JetBrains Rider - The DevExpress Template Kit is fully integrated into JetBrains Rider. You can create new projects using the same rich set of DevExpress templates available in Visual Studio and VS Code.
• Accessibility...

Released: Nov 25, 2025

25.1.7 での更新項目

不具合の修正

All WPF products

• Document Viewer for WPF - Created controls in the FillEmptySpace event are not scaled proportionally.
• End User Report Designer for WPF - Report margin and paper kind reset after preview.
• Report Designer for WPF - Exception occurs on an attempt to preview SP data.

DXBars for WPF

• PopupMenu throws NullReferenceException on .NET 10.

DXCharts for WPF

• Dashboard - Tooltip text of a pie chart slice is unreadable with the Office2019Black theme.

DXDocking for WPF

• A tabbed...

Released: Oct 23, 2025

25.1.6 での更新項目

不具合の修正

AI Integration for WPF

• AI Chat Control throws handled KeyNotFoundException on typing in the edit box.
• DxAIChat does not render its focus border in the correct location when the Attachment button is shown.

All WPF products

• DevExpress VSCode Report Designer doesn't recognize a DevExpress License Key.
• Licensing v25.1 - The compilation error related to DevExpress.Licensing.DXLicenseInformationAttribute (CS0234 in C# or BC30002 in VB.NET) may occur if a .NET Framework project does not...

Released: Sep 11, 2025

25.1.5 での更新項目

不具合の修正

AI Integration for WPF

• IChatUIWrapper.SetEmptyStateText method doesn't correctly specify the empty text during initialization.

All WPF products

• DocumentPreviewControl - Mouse actions are misaligned when per-monitor DPI awareness is enabled.
• DocumentPreviewControl - No hand cursor is shown when hovering over an interactive control (Drill-Down/Sorting).
• DocumentPreviewControl does not cancel built-in hyperlink navigation when e.Handled is set to true in DocumentPreviewMouseClick event...