Learn what's new across releases, with details of features, enhancements, and resolved issues.
Syncfusion Essential Studio WinUI 2026 Volume 3 (35.1.37)Major versionSep 29, 2026
Features
- AI AssistView
- Conversation history - Allows users to view, access, and switch between previous conversations, ensuring seamless continuity and improved productivity.
- Empty view - Users can personalize the empty-state view with text, images, logos, and other UI elements when no chat conversations exist.
- DataGrid
- Show Clear button in editors - Display a built-in Clear button in the GridTimeColumn editor, enabling users to clear values with a single click during editing.
- Default sort order - You can now set the default sort direction at the grid or column level to force sorting to start in either ascending or descending order.
- Docking Manager (New)
- The Docking Manager control provides a flexible layout system for building modern desktop applications with dockable and customizable workspaces. It enables users to organize content efficiently with docked, floating, auto-hidden, and tabbed windows, similar to development and productivity applications. Key features:
- Docking support: Dock panels to the left, right, top, or bottom of the layout area to create organized workspaces.
- Floating windows: Detach panels from the docking layout to display them as floating windows for improved multitasking and screen utilization.
- Auto-hide panes: Automatically hide tool windows and display them only when needed, maximizing the available workspace.
- Tabbed interface: Group multiple document or tool windows within tabs for easy navigation and efficient use of space.
- Drag-and-drop interaction: Rearrange, dock, and organize panes using intuitive drag-and-drop.
- Layout customization: Create and customize workspace arrangements to suit different application scenarios and user preferences.
- Kanban Board
- Multi-card selection and drag-and-drop - Multiple Kanban cards can be selected and dragged simultaneously, with hover and selection visual indicators that provide clear feedback during card interactions.
- TreeGrid
- Show clear button in editors - Display a built-in Clear button in the TreeGridTimeColumn editor, enabling users to clear values with a single click during editing.
- Default sort order - You can now set the default sort direction at the grid or column level to force sorting to start in either ascending or descending order.
Syncfusion Essential Studio WinUI 2026 Volume 2 SP1 (34.2.9)Sep 22, 2026
Fixes
- SfDataGrid
- The DetailsViewGrid cell Foreground is now displayed correctly during selection in the Dark theme in SfDataGrid.
- ColumnWidthMode and other column property values are now preserved when refreshing the ItemsSource. Also, NullReferenceException that occurred during refresh process is no longer thrown in SfDataGrid.
- The focus is no longer shifted to the SfDataGrid when a selected row is removed.
Syncfusion Essential Studio WinUI 2026 Volume 2 SP1 (34.2.8)Sep 15, 2026
Fixes
- SfDataGrid
- Resolved an issue where auto-scrolling continued when the dragged row left the SfDataGrid during a row drag and drop operation.
Syncfusion Essential Studio WinUI 2026 Volume 2 SP1 (34.2.7)Sep 8, 2026
Fixes
- SfDataGrid
- Fixed an issue where the Auto Row Height calculation did not consider the font values applied through the CellStyleSelector styles in SfDataGrid.
Syncfusion Essential Studio WinUI 2026 Volume 2 SP1 (34.2.5)Aug 25, 2026
Fixes
- SfDataGrid
- The NullReferenceException no longer occurs when using ExpandAllDetailsView after switching views and performing Expand All and Collapse All operations in SfDataGrid.
Syncfusion Essential Studio WinUI 2026 Volume 2 SP1 (34.2.4)Aug 18, 2026
Fixes
- SfDataGrid
- The NullReferenceException no longer occurs when editing values in one SfDataGrid and then switching to another SfDataGrid view containing expanded DetailsView rows.
Syncfusion Essential Studio WinUI 2026 Volume 2 SP1 (34.2.2)Aug 5, 2026
Features
- Common
- WinUI controls have been upgraded to Windows App SDK 2.2.0.
- WinUI controls have been upgraded to Windows SDK BuildTools 10.0.28000.2270.
- Telemetry
- Starting with this release, Syncfusion WinUI UI Component Suite introduces telemetry (development-only) to help Syncfusion better understand product usage, feature adoption, usage trends and make better product roadmap decisions.
- Telemetry is enabled by default and collects only a limited set of anonymous usage data while applications are running in a development environment. Telemetry is automatically disabled in production environments, and no telemetry is collected from deployed production applications or end users.
- Since telemetry has been added as a dependency to all the controls, it is mandatory to include the telemetry assembly in your project whenever you use any of the control assemblies.
- SfKanban
- Added support for selecting and dragging multiple cards simultaneously in the Kanban control.
Fixes
- SfDataGrid
- Fixed an issue that caused incorrect record placement during drag-and-drop operations within the same group in the SfDataGrid.
Syncfusion Essential Studio WinUI 2026 Volume 2 (34.1.33)Jul 28, 2026
Fixes
- SfDataGrid
- Unexpected prefix characters are no longer added when entering values using Alt + Numeric Keypad input in SfDataGrid.
Syncfusion Essential Studio WinUI 2026 Volume 2 (34.1.29)Major versionJul 6, 2026
Features
- Markdown Viewer (New)
- The WinUI Markdown Viewer is a UI control that converts Markdown input into a fully formatted visual representation without requiring external rendering engines or manual formatting. It provides a flexible way to display rich Markdown content within WinUI applications to present documentation, release notes, help content, and other Markdown-based information. Key features:
- Markdown rendering: Converts Markdown syntax such as headings, lists, links, images, tables, code blocks, block quotes, and more into styled, readable content.
- Multiple content sources: Supports loading Markdown from a string, file, or URL.
- Hyperlink navigation: Supports clickable links that open external URLs or trigger in-app navigation.
- Content customization: Provides styling options to customize fonts, colors, and text appearance.
Syncfusion Essential Studio WinUI 2026 Volume 1 SP1 (33.2.12)Jun 9, 2026
Fixes
- SfScheduler
- The hover border for appointments is now removed correctly when the mouse is pressed on one appointment and released over another appointment.
Syncfusion Essential Studio WinUI 2026 Volume 1 SP1 (33.2.7)May 19, 2026
Fixes
- SfScheduler
- When using LoadOnDemand in Day and Timeline views, setting the MinimumAppointmentDuration property will now work correctly without causing a NullReferenceException.
Syncfusion Essential Studio WinUI 2026 Volume 1 SP1 (33.2.6)May 12, 2026
Fixes
- SfDataGrid
- A NullReferenceException is no longer thrown when expanding DetailsViewDataGrid after resetting the ItemsSource.
Syncfusion Essential Studio WinUI 2026 Volume 1 SP1 (33.2.5)May 5, 2026
Fixes
- SfDataGrid
- Fixed a System.ArgumentException that occurred during serialization and deserialization process.
Syncfusion Essential Studio WinUI 2026 Volume 1 SP1 (33.2.4)Apr 28, 2026
Fixes
- SfScheduler
- Setting the TimeRulerFormat in the Loaded event while using the Timeline view will now work without throwing a NullReferenceException.
Syncfusion Essential Studio WinUI 2026 Volume 1 (33.1.44)Major versionMar 16, 2026
Features
- Common
- Provided support for localizing strings without using .resw files.
- Cartesian Charts
- Financial series (new) - The financial series in the Cartesian Charts make it easy to visualize stock-market price movements or any dataset that includes open, high, low, and close values, all natively in WinUI.
- Candle series - A candlestick series shows stock market data using open, high, low, and close values in a single symbol. The high and low are connected by a vertical line, while the difference between the open and close is shown as a column. This format clearly highlights bullish and bearish trends and is commonly used in technical analysis to assess market trends and investor sentiment.
- OHLC series - The OHLC series combines high and low ranges with open and close indicators to present trading sessions in a compact form. The high and low are shown with a vertical line, while open and close values appear as horizontal ticks. This visualization clearly represents trading activity and is useful for comparing open and close behavior across multiple stocks.
- NumberBox
- Support for various data types - The NumberBox control now supports handling for various numeric data types (double, decimal, byte, short, int, long, float) and accepts scientific calculations.
Syncfusion Essential Studio WinUI 2025 Volume 4 SP1 (32.2.4)Feb 11, 2026
Fixes
- SfDataGrid
- The drag line indicator is now displayed correctly when performing drag and drop operations between controls that use different source types.
Syncfusion Essential Studio WinUI 2025 Volume 4 (32.1.22)Jan 6, 2026
Fixes
- SfDataGrid
- The NullReferenceException will no longer be thrown when clicking the IndentCell of the ColumnHeader in SfDataGrid.
- SfDatePicker
- The configured FontSize is now applied correctly on initial load.