# 2026 v2 ## Content # Calendar **Improvements** * Added keyboard navigation support to C1Calendar. * Implemented keyboard navigation for months and years using arrow keys in C1Calendar. * Updated the days panel to allow confirmation via Enter or Space. * Updated arrow key navigation to require an explicit Enter or Space key press instead of automatic confirmation on keyup. * Implemented focusing when switching between views. **Bug Fixes** * Fixed an issue where C1Calendar allowed date selection when `SelectionMode` was set to `None`. # ColorPicker **Improvements** * Added the C1ColorPicker control. **Bug Fixes** * Fixed an issue where the C1ColorPicker focus indicator did not match other C1 Blazor controls. # Core **Bug Fixes** * Fixed an issue where Japanese products were added to the SA3 client when installing the English NuGet package. * Fixed an issue where the `Class` property was not applied to the rendered root element of C1ToggleButton. * Fixed an issue where core rendering did not draw ellipses. # DataFilter **Breaking Changes** * Changed the type of template part "SearchBox" of `CheckListFilterPresenter` from `TextBox` to `C1TextBox`. **Improvements** * Added support for configuring the time components displayed in the `DateTimeFilter`, `DateTimeOffsetFilter`, `DateTimeRangeFilter`, and `DateTimeOffsetRangeFilter` time editor via the `TimeComponents` property. * Added options to the `TextFilter` to enable case-sensitive and whole-word matching during filtering. # DateTimeEditors **Improvements** * Implemented cyclic Tab keyboard navigation for a nested calendar. * Implemented keyboard navigation for C1DateRangePicker. * Added support for configuring the time components displayed in the C1DateTimePicker and C1TimeEditor time editor via the `TimeComponents` property. **Bug Fixes** * Fixed an issue where the C1DateRangePicker drop-down closed when pressing arrow keys to select a date while the drop-down was open. # FlexChart **Bug Fixes** * Fixed an issue where tooltips were not displayed when `ChartType` was set to `Area` or `Column` in FlexRadar. # FlexGrid **Breaking Changes** * Changed alternate rows to be the even rows by default. The previous behavior can be achieved using the introduced `AlternatingRows` property. * Removed the `AutoGenerateFilters` property from `GridColumnFilterLoadingEventArgs`. **Improvements** * Added a Remove Filter menu item to the column header options menu. * Modified the drop-down of `GridFilterRow` to display all filter menus, improving compatibility with `ExcelLikeFilterBehavior`. * Added `AlternatingRowHeaderStyle`, `AlternatingRowHeaderBackground`, and `AlternatingRowHeaderForeground` properties. * Added `AlternatingStrategy` and `AlternatingRows` properties. * Added the `ShowConditionalFilterMenu` property to enable condition-based filtering through the column-header menu for text, numeric, and date columns. **Bug Fixes** * Fixed an issue where the column-header background was not updated correctly when changing the grid `Background`. * Fixed an unhandled exception that occurred when clicking sort menus and the underlying data collection threw an exception. * Fixed an issue where the `ColumnOptionsLoading` event could not be canceled even when the `Cancel` property was set to `true`. * Fixed an issue where the selected style was applied incorrectly when selecting the same row multiple times. * Fixed an issue where filtering by column `DataMap` values not present in `ItemsSource` did not work. # Gauge **Improvements** * Added keyboard support for changing gauge values with the arrow keys. * Added a `Decorators` collection property. Labels, Marks, and Pointers can be added in addition to existing Ranges. * Added a `ShowRangePointer` property, which indicates whether the range pointer is shown. * Converted color properties to `Brush` properties to allow gradients. **Bug Fixes** * Fixed an issue where C1LinearGauge did not re-render correctly when `Direction` changed between horizontal and vertical orientations. # GridControl **Bug Fixes** * Fixed an exception in the cells panel when moving columns. # Input **Breaking Changes** * Removed the public property `C1ComboBox.SelectedItemsContent`; it was for internal usage. **Improvements** * Added the `ValueChangeMode` property with `SliderValueChangeMode.OnChange` to C1Slider to improve pointer drag performance by updating the thumb on the client and synchronizing the slider value when pointer interaction completed. **Bug Fixes** * Fixed an issue where C1ComboBox displayed inconsistent keyboard focus indicators across editable, non-editable, and full-screen modes. * Fixed an issue where C1ComboBox selection was not displayed correctly when the selected items were duplicated. * Fixed an issue where C1MaskedTextBox did not apply `PromptChar` when initializing masked text. * Fixed an issue where C1ComboBox exhibited incorrect keyboard navigation behavior. * Fixed an issue where typing text that was not valid for the currently selected item in C1ComboBox did not reset the selection. # ListView **Improvements** * Added Ctrl+A keyboard handling to select and unselect all items. **Bug Fixes** * Fixed an issue where the SelectAll checkbox was incorrectly disabled when `SelectionMode` was set to `None`. * Fixed an issue where the `SizeChanged` event was not detached on disposal. # Ribbon **Bug Fixes** * Fixed an issue where the keyboard focus indicator was displayed twice in C1SelectTool. # TreeView **Improvements** * Enabled expanding and collapsing nodes from the expand/collapse icon area during drag-and-drop. **Bug Fixes** * Fixed an issue where `TreeViewDragDropEventArgs.DropPosition` during drag-over did not reflect the actual drop target position.