# 2026 v1

## Content

## FlexViewer

**Improvements**

* Added stabilized zoom functionality for mobile platforms.
* Added stabilized zoom functionality for desktop platforms.
* Added stabilized rotation functionality across all supported platforms.
* Added a runtime licensing implementation example for <span data-testid="definition-highlighter" style="--_11qfq0e: solid;" class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke">SA3</span>.

**Bug Fixes**

* Fixed an issue where the application stopped responding when the PopupCard icon was clicked in FlexViewerExplorer on Android using Visual Studio 2026.
* Fixed an issue where a “FlexViewer isn't responding” error appeared and the application terminated when the Thumbnails icon was clicked on Android.
* Fixed an issue where the page `ZoomMode` changed in the viewer pane when report data was rotated.
* Fixed an issue where a “Could not load file of type [ChartField]” error occurred instead of rendering charts for specific FlexReports.
* Fixed an issue where report data did not display in FlexViewer when loading a FlexReport containing parameter values.
* Fixed an issue where a `System.Exception` occurred when loading report data with parameters on mobile platforms.
* Fixed an issue where a `System.Exception` occurred when loading report data containing charts on mobile platforms.
* Fixed an issue where chart data did not render when loading report data containing charts on mobile platforms.
* Fixed an issue where a page border appeared when the zoom mode was set to `WholePage`.
* Fixed an issue where the page border was truncated and no horizontal scrollbar appeared when the zoom mode was set to `PageWidth`.
* Fixed an issue where the included `gclicx` file was invalid and a trial dialog appeared in the sample when the built-in trial license was in `gclm`.
* Fixed an issue where the display area rendered incorrectly when the `Rotation` property was set.
* Fixed a security issue by updating `System.Private.Uri`.
* Fixed an issue where a `Microsoft.Data.Sqlite.SqliteException` was thrown when loading specific reports.
* Fixed an issue where a “Subreport [Categories <span data-testid="definition-highlighter" style="--_11qfq0e: solid;" class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke">TOC</span>] cannot be rendered” error occurred when loading report navigation.
* Fixed an issue where a `System.``<span data-testid="definition-highlighter" style="--_11qfq0e: solid;" class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke">IO</span>``.FileNotFoundException` was thrown when loading specific reports.
* Fixed an issue where zoom and page-holder rendering behaved incorrectly.

## Grid

**Breaking Changes**

* Updated the `CanDragRow` and `CanDragColumn` method signatures in `GridCellFactory` to accept four parameters.

**Improvements**

* Added support for clearing cell values when deselecting a ComboBox editor in a nullable `DataMap` column.
* Added the `Offset` property to `GridDateTimeOffset`.
* Added improved column auto-generation to create `GridDateTimeColumn` objects for date and time data types.

**Bug Fixes**

* Fixed an issue where opening column option menus in `TransposedGrid` threw a `System.ArgumentOutOfRangeException` when all rows were frozen and `AutomationEnabled=True`.
* Fixed an issue where assigning the `CellFactory` property failed when the factory was already linked.
* Fixed an issue where adding multiple columns through <span data-testid="definition-highlighter" style="--_11qfq0e: solid;" class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke">XAML</span> caused a `System.ArgumentOutOfRangeException`.
* Fixed an issue where drag-and-drop row reordering failed when `TransposedGridBehavior` was applied.
* Fixed an issue where incorrect adapter dimensions caused row `ActualHeight` values to report incorrect sizes.
* Fixed an issue where selecting **Sort By** from the sort drop-down triggered a `System.ArgumentOutOfRangeException`.
* Fixed an issue where resizing or scrolling in a secondary <span data-highlighted="true" data-vc="highlighted-text">XAML</span> window threw a `System.ArgumentOutOfRangeException` when `AutomationEnabled=True` and `TransposedGridBehavior` was applied.
* Fixed an issue where `DataMap` drop-down items in `GridColumn` did not populate when edit mode was entered by double-clicking a cell.
* Fixed an issue where selecting **Apply** or **Clear** in `GridFilterRow` options caused a `NullReferenceException`.
* Fixed an issue where accessing `CellFactory` and `PropertyInfo` on unattached columns caused a `NullReferenceException`.
* Fixed an issue where mouse wheel scrolling caused a `System.ArgumentOutOfRangeException`.
* Fixed an issue where setting `Aggregate` and `Format` on `DateTime` columns with `GridSummaryRow` caused exceptions.
* Fixed an issue where grouping and aggregation failed with `FlexGridDetailProvider`. Group collapse and aggregate calculations were applied only to the first row in each group.
* Fixed an issue where checkbox editing could not be canceled when the `Cancel` property was set to `true` in the `BeginningEdit` or `BeginningRowEdit` events.

## Grid.Excel

**Bug Fixes**

* Fixed an issue where export failed because of a `DS.Documents.Excel` dependency version mismatch. Updated the referenced version to 7.2.5.

## GridControl

**Bug Fixes**

* Fixed an issue where layout values exceeded valid bounds by enforcing value clamping.

## Input

**Breaking Changes**

* Removed the `HeaderClickInterceptor` and `ComboHeader` template parts. Replaced them with `Header` and `TextBox`.
* Renamed `C1ComboBoxSelectionMode` to `ComboBoxSelectionMode`.
* Renamed `C1ComboBoxItem` and `C1ComboBoxGroupItem` to `ComboBoxItem` and `ComboBoxGroupItem`.
* Removed `C1ComboBox.IsOpenKey()`.

**Improvements**

* Added the `C1AutoCompleteTextBox.Complete()` method.

**Bug Fixes**

* Fixed an issue where text matching failed in `C1ComboBox` when `Condition=Contains` and `IsEditable=False`.