Released: Jun 10, 2026

Updates in 25.2.8

Fehlerkorrekturen

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 handler assignments.
• XtraReports - Duplicate XRControlStyle entries with identical names are added to StyleSheet when 'StyleSheet.LoadFromXml' is called multiple times.

DXBars for WPF

• The BarPopupBase.OnClosed method implementation can lead to potential NullReferenceExceptions.

DXDiagram for WPF

• Diagram Control throws ArgumentException when its ribbon is merged with another one and a shape's color settings are changed.

DXDocking for WPF

• Active tab caption foreground makes it difficult to read in the VS2019BlueNavy lightweight theme.
• Document Selector window causes an exception if it's opened a second time.
• DocumentPreviewControl in DockLayoutManager causes an ArgumentOutOfRangeException upon initial RDP connection.

DXEditors for WPF

• A checked read-only CheckEdit doesn't have a distinct appearance in Win11 themes.
• DateTimePicker incorrectly updates hour when 12-hour format is used and HourStep is defined.

DXGrid and DXTreeList for WPF

• CellDisplayTemplate doesn't work correctly with the Edit Entire Row functionality.
• Controls in the RowControl tooltip do not inherit parent DataContext in TreeViewControl.
• DocumentPreviewControl in DockLayoutManager causes an ArgumentOutOfRangeException upon initial RDP connection.
• GridControl in non-optimized mode hides cell tooltips when underlying data items are updated.
• GridControl/TreeListControl search functionality doesn't scroll the view port to the selected item.
• TableView does not update its HasErrors property when the last row that contains errors is deleted.

DXLayoutControl for WPF

• TouchOverlap scrollbars do not appear in FlowLayoutControl when ItemsSource is changed at runtime.

DXRibbon for WPF

• BarStaticItems in RibbonControl take more vertical space when Win11 themes are used and lightweight templates are enabled.

DXRichEdit for WPF

• ArgumentOutOfRangeException is thrown on inputting IME on a selection.
• Rich Edit Control - "System.Net.WebException: 'The UNC path should be of the form server\share.'" exception occurs when certain fonts are added to DXFontRepository.
• Table cell's text is cut off when a decimal tab is set to a specific value.
• RichEditControl does not cache images in headers and footers.
• RichEditControl has incorrect caret color in lighweight dark themes.
• RichEditControl throws ArgumentException on an attempt to link a page footer to the previous page in specific documents.
• Word Processing Document API - Background thread exception is thrown when SubDocument.Delete method is called.

DXScheduler for WPF

• Appointment subject with accents is not displayed at 150% scaling.

DXSpreadsheet for WPF

• SpreadsheetControl.Dispose method throws a NullReferenceException.

MVVM Framework

• DocumentPreviewControl in DockLayoutManager causes an ArgumentOutOfRangeException upon initial RDP connection.

Themes and Theme Designer

• Button content alignment is changed in an application with an implicit style for the Button type if LightweightThemes are switched at runtime.
• Win11SystemColors lightweight theme does not respond to the system app mode or accent color changes when SplashScreenManager is used.