Syncfusion Essential Studio WinUI Releases

Learn what's new across releases, with details of features, enhancements, and resolved issues.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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.