Released: Apr 7, 2026

Updates in 25.2.6

Fixes

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 / Equations are exported incorrectly in DOCX format.

DXCharts for WPF

• Chart Designer loses series properties when series views are changed.

DXDocking for WPF

• DevExpress.Xpf.Docking.LayoutItemsHelper.IsDockItem may throw NullReferenceException in certain cases.

DXGrid and DXTreeList for WPF

• Selector Column causes visual issues on first load when CheckBoxSelectorColumnPosition is FixedRight and grouping is enabled.

DXRibbon for WPF

• BackstageTabItem from a child RibbonControl does not showdisplay its KeyTip after the Merge operation.
• Captions in ribbon gallery drop-down are rendered incorrectly in certain cases.
• RibbonControl embedded in the ThemedWindow does not adjust its layout when its FontSize is changed at runtime.
• StackOverflowException is thrown when a merged BackstageView with an item containing focusable content is opened via keyboard.

DXRichEdit for WPF

• Word Processing Document API - Tables are not clipped beyond page column bounds.
• DXRichEdit for WPF - Application crashes if a new table row/column adjacent to a cell with a nested table is inserted.
• Formatted text copied from PowerPoint cannot be pasted in RichEdit.
• RichEditControl - Dots are displayed when the list level number style is set to None.
• RichEditControl - Paragraph that fits into the page width is wrapped.
• Text with Justify alignment in lists is shifted when text below the list is modified.
• WPF Rich Edit Control - "Link to Previous" Ribbon command is activated when a document contains a single section.

DXScheduler for WPF

• Open Recurring Item dialog doesn't react to the first several touches on a machine with the TabletInputService enabled.

DXSpreadsheet for WPF

• SpreadsheetControl throws ArgumentOutOfRangeException on an attempt to apply conditional formatting rules.

PDF Viewer for WPF

• System.IO.IOException is thrown when opening a file attachment.
• Application hangs when printing a specific PDF file.
• The resulting PDF/A-3b accessible document is displayed incorrectly.
• Specific PDF documents are displayed with incorrect page orientation.

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.

Themes and Theme Designer

• It's not possible to override the selected panel's foreground color for TabbedGroups at the palette level.

Windows and Utility Controls for WPF

• RibbonControl embedded in the ThemedWindow does not adjust its layout when its FontSize is changed at runtime.