Released: Apr 7, 2026

Updates in 25.2.6

Fixes

All WinForms products

• AI Assistant panel doesn't appear or doesn't work properly when attached to the ReportDesignTool for WinForms.
• Document Viewer for WinForms - It is impossible to localize paper kinds in the Page Setup dialog.
• NonTrustedTypeDeserializationException is thrown even when RegisterTrustedAssembly is used.
• Reporting Subscription - WinForms License Warning Dialog appears when ReportPrintTool is used as MDI.
• Reporting controls lose/misalign borders when exporting to a DOCX file using the Frame-based layout.
• ReportsV2.WinForms - the CollectionDataSource.ObjectTypeName value resets to `None` in the runtime Report Designer.
• Visual Studio Report Designer - SQLite binaries are added on any new database connection (this package does not support Any CPU builds).
• WinForms End-User Report Designer marks a report as modified after switching to the Design panel from the Preview tab.
• WinForms SQL Query Builder - Text appears blurry on the Query Builder surface.
• XRChart - An exception is thrown when opening a modified report layout with a SidebySide Bar series.

PDF Viewer

• Exception is PDFs with custom page sizes incorrectly.
• Specific PDF thrown in the DevExpress.Pdf.PdfLineStyle.ParseDashPattern method on loading a specific document.
• The resulting PDF/A-3b accessible document is displayed incorrectly.
• PdfViewer renders documents are displayed with incorrect page orientation.

Project & Item Template Kit (.NET)

• "Add DevExpress UI Templates" dialog adds DevExpress assembly references instead of NuGet packages if the project targets .NET 10.
• Template Gallery & Template Kit - Custom Editor template may fail to include the base editor's BaseAccessible class.

ProjectConverter

• Error occurs after converting a project to v25.2 (The operation has timed out).
• TypeInitializationException (The type initializer for 'Microsoft.Build.Shared.XMakeElements' threw an exception) after converting a VB.NET project.

Snap

• "System.InvalidCastException: Unable to cast object of type 'DevExpress.Office.History.DisabledHistory' to type 'DevExpress.Snap.Core.History.SnapDocumentHistory'." error occurs on selecting an SNText field.

XtraBars Suite

• BarManager - Accelerators on a toolbar do not work when simultaneously pressed and a context menu item with the same accelerator key exists.
• Black bar appears under RibbonControl when it is shown in an XtraTabbedMdiManager child form if the WXI skin is used.
• CustomButtonChecked and CustomButtonUnchecked events fire twice for a floated WidgetView document.
• DXPopupMenu - Separator thickness is increased when assigned to the DropDownButton.DropDownControl property using .NET/.NET Core.
• It is impossible to drag and drop StandaloneBarDockControl in the .NET designer.
• RadialMenu doesn't scale correctly in a high DPI multi-monitor environment.
• RibbonControl - The preview section in Reduce Operations Page does not resize items.
• RibbonControl's MacOffice style causes an exception.

XtraCharts Suite

• Swift Plot with a custom axis range draws the graph incorrectly.
• Annotations with Runtime Editing are not cleared with ChartControl.ClearSelection.

XtraEditors Library

• CheckedListBoxControl - ArgumentOutOfRangeException is thrown when the InvertCheckState method is called and CheckedListBoxControl is filtered by SearchControl.
• DXPopupMenu - Separator thickness is increased when assigned to the DropDownButton.DropDownControl property using .NET/.NET Core.
• Grid Control - Scrolling an Instant Feedback data source may rapidly increase the application's GDI object count.
• GridLookUpEdit popup width doesn't adapt to the current DPI on a multi-monitor High-DPI environment.
• It is impossible to drag and drop StandaloneBarDockControl in the .NET designer.
• NullReferenceException is thrown in RichTextEditViewInfo.CalcHeight.
• Tab key fails to move focus out of HtmlContentControl that is placed on XtraTabControl.
• TextEdit - EditValue is changed when the editor is not focused in advanced mode.
• Token Edit throws a suppressed WarningException when opening a pop-up if the AddEnum method is used to create tokens.
• Win32Exception occurs on opening a form that contains two or more HtmlContentControls.

XtraGrid Suite

• DataGrid designer is not accessible if sources are recompiled.
• Scrolling an Instant Feedback data source may rapidly increase the application's GDI object count.
• NullReferenceException is thrown in RichTextEditViewInfo.CalcHeight.
• WinForms - Expression Editor in the Conditional Formatting rule editor does not support XPO Object Parameters.

XtraLayout Suite

• Custom LayoutControlItem's Enabled property state doesn't restore correctly on restoring layout.
• Control size is scaled incorrectly in .NET 10.
• LayoutControlGroup Padding and Spacing settings are not serialized when you use Customization Form.
• Switching between TabbedLayoutGroup tabs in Layout Control freezes the application if an accessibility client is running on the machine.

XtraRichEdit

• Word Processing Document API - Tables are not clipped beyond page column bounds.
• Drag-and-drop operations copy dragged content instead of moving it if the mouse pointer is moved outside of the main window bounds
• DxRichEdit - TableStart/End regions change the source document's layout.
• Formatted text copied from PowerPoint cannot be pasted in RichEdit.
• RichEditControl - NullReferenceException occurs in TablesControllerTableState.GetCellBounds when loading a specific HTML document converted from EML.
• Table layout is broken is specific documents.
• Text with Justify alignment in lists is shifted when text below the list is modified.
• Formulas / Equations are exported incorrectly in DOCX format.
• Missing font fallback causes an unhandled exception.
• Extra spaces appear in justified paragraphs with list styles after bookmarks or range permissions are updated.

XtraScheduler Suite

• Appointment Editing Form is shown when you double-click the More button.
• AppointmentViewInfoCustomizing event is not triggered in Agenda View on using HTML/CSS templates.
• Recurring appointments throw NullReferenceException in Agenda View when no HTML/CSS template is specified.

XtraSpreadsheet

• Copying a protected sheet changes cell lock settings.
• SpreadsheetControl throws ArgumentOutOfRangeException on an attempt to apply conditional formatting rules.
• Context menu copy option is disabled when columns are manually selected.

XtraVerticalGrid Suite

• NullReferenceException occurs on an attempt to call drawing logic on the e.Cache parameter inside the VGridControl.PaintEx event.