Stimul AI is now integrated into the report variable value validation editor for creating regular expressions.
Added the ability to test run user functions with arguments.
Stimul AI has been integrated into the scheduler's SMTP server settings in the report designer's Options window.
Stimul AI has been added for report editing, providing support for working with reports. The assistant can create, modify, and delete report components; edit page and report settings; manage variables, resources, and user-defined functions in the data dictionary; and configure interactivity and styles. It also understands the purpose of report properties, answers questions, assists with configuration, and provides suggestions for improving reports.
Added support for text format editor for labels in charts.
Added support for editing request headers from code for GraphQL data sources.
Added new Polar and Stacked Polar charts in reports and dashboards.
For "List" type variables, the ability to set a limit on selected values has been added using the "Max Selected Items" parameter. This is only possible if the "Allow User Values" parameter is set to "False.".
Added new rendering modes for conditional formatting such as "Data Bar".
Added shadow and page rounding when viewing reports.
Fixes
Expressions for the item list in a report variable of the Range type with the DateTime data type.
Displaying dots on dashboard charts when hovering over them.
Displaying a list of properties in the panel after creating a copy of a report template page.
Using custom fonts in the header of the "Region Map" dashboard element.
Extra scrollbar in the expanded chart editor on the "Labels" tab.
Stimulsoft Reports.NET 2026.2.4Jun 5, 2026
Fixes
Changing page orientation when using Blockly scripts.
Interacting with values in the Tree View Box filter element dropdown in dashboards.
Stimulsoft Reports.NET 2026.2.3May 21, 2026
Features
The properties AllowScriptsInExpressions, AllowScriptsToRun, and ScriptTimeout are now hidden when StiOptions.Engine.AllowScriptsToRun = false.
Added the option StiOptions.Viewer.Windows.ShowParameterDescription to toggle parameter description in the viewer.
Fixes
Fixed a problem with hotkeys for opening the Properties panel, Report Tree, and Dictionary.
Fixed an issue where report errors were not shown during report preview when pressing Shift+F5 in the designer.
Looping through a relation in data transformation.
Fixed an issue where dragging and dropping report files with data onto the designer page did not work correctly in some cases.
Displaying a tooltip when Reverse Horizontal mode is enabled for Stacked Bar and Clustered Bar chart types.
Stimulsoft Reports.NET 2026.2.2Apr 29, 2026
Fixes
Shifting the WinForms report designer interface in MDI projects.
Added new UtcToLocalTime and LocalTimeToUtc functions which provide the ability to convert Local time to UTC and back.
The SnapPageWidthToGrid property has been added. This property rounds the number of grid cells to an integer. This helps to place components on the band more accurately.
Added support for editing CSV, JSON, XML files in report resources.
It is now possible to display XML and JSON resources in the viewer.
Updated the Microsoft.CodeAnalysis library dependency to version 5.0.0 for .NET 10.
Added support for blocking the execution of property expressions for the DockStyle property at design time.
Library signing keys have been updated. To ensure the project works correctly, simply update the libraries and rebuild it.
Improved support for generic type parsing.
Fixes
Problem in DatePicker WinForms, different date formats has been fixed.
Passing a parameter with the GUID data type in a query to a MySQL data source.
Fixed issues with the hint for the TimeSpan variable on the Report Viewer parameters panel.
Fixed incorrect working with short and byte types in the viewer parameters.
Fixed an issue with converting DateTimeOffset values in the expression parser.
Fixed incorrect loading of time-related variables and initialization of the 'First' item.
Fixed an issue where the data source was duplicated in some cases.
Updated variable item conversion to preserve and convert values when switching between numeric and string types instead of always clearing the list.
Unintentional termination of the report designer during calculation of empty text.
Applying the "dd.MM.yyyy" date format to chart labels.
Fixed variable's data binding bug with some integers types.
Fixed container selection in the clone component for containers located not on report pages.
Fixed an issue with nullable parameters initialization in the WinForms viewer for string, int and decimal types.
Displaying constant lines for charts when the "Reverse Vertical" property is set to "True.".
Fixed an issue that occurred when using the C# parser alongside the CheckListBox control in the legacy dialog mode.
Fixed incorrect line and column calculation for tokens in the C# parser.
Stimulsoft Reports.NET 2026.1.7Mar 23, 2026
Fixes
Processing of the provider's "Open Street Map" (OSM) in online maps.
Export to PDF: For some fonts with incorrectly set Ascend/Descend parameters, the line height was calculated incorrectly.
Export to HTML: The indentation for nested list items was being set incorrectly.
Engine: When printing some report components, the ClearType parameter has been disabled.
Engine: When parsing SQL command, numeric parameters are now converted to string forcibly when the "en-US" culture is set.
HTML-Tags engine: The tag inside the tag no longer creates an extra line.
HTML-Tags engine: Positioning of subscript text.
Stimulsoft Reports.NET 2026.1.6Mar 13, 2026
Fixes
Fixed issue displaying zero values in a "Heatmap" chart.
Fixed error displaying values in the "Map" report component using OpenStreetMap provider.
Stimulsoft Reports.NET 2026.1.5Mar 6, 2026
Features
The new StiOptions.Engine.Maps.DisabledMaps property allows you to exclude maps from the Map report component and the Region Map dashboard element.
When exporting a report to a PDF file, the "PDF/UA (Universal Accessibility)" option has been added to the export parameters.
The compilation error message now includes the line/column number and error code.
Added new RuntimeType(), RuntimeName(), RuntimeVersion(), RuntimeIdentifier(), and RuntimeOS() functions to determine the current execution environment.
When exporting a report to a PDF file, the algorithm for determining the need to synthesize the font style has been improved.
Fixes
Search for values in a rendered report when viewing it in the report designer or in the viewer.
The location of the "Information" elements in the report export settings to a PDF file.
Processing decimal64 data in a ClickHouse data source.
When exporting a report to a PDF file, attached files are not allowed in PDF/A-1 mode (according to the specification).
When exporting a report to a PDF file, a rare issue occurs with incorrect display of text in the ElectronicSignature and Map components if the font is not installed on the system.
Incorrect behavior of the report designer when calling a non-existent variable in "CSharp Script Parser".
Stimulsoft Reports.NET 2026.1.4Feb 19, 2026
Fixes
An issue with wrong previewing data transformation result in some cases has been fixed.
Description text color and shift focus from the properties panel when double-clicking the "Restrictions" property.
Processing the "Diameter" property for a "Pie" chart type.
Stimulsoft Reports.NET 2026.1.3Feb 2, 2026
Features
Improved the position of the drop-down list of report components on the properties panel.
Fixes
The size of the "New Data Source" dialog at 175% scaling in the operating system.
Localization of names for custom fonts in the list.
Incorrect saving the default value of Watermark.TextBrush to JSON format has been fixed.
Incorrect exceptions handling in the WinForms report viewer has been fixed.
Error closing the "View Query" window.
Stimulsoft Reports.NET 2026.1.2Jan 8, 2026
Features
Description of the ToString function has been added to the report dictionary.
Fixes
Stopping connections to data sources when the "Request Parameters" property is set to "True".
Processing integer data when retrieving data from a source using an ODBC driver.
Displays images if the "Can Shrink" property of the component is enabled.
Processing null values for the "Image" component in reports.
Calculating the size of the "Rich Text" component to display content in the Win viewer for the .NET 8 and .NET 10 frameworks.
EngineV2, in rare cases, when the "Print At Bottom" property is enabled in the "Sub-report" component, the plotting loop occurs.
Export MS-Word, the background of the "Shape" component is now exported more correctly.
The StiOptions.Engine.DisableAntialiasingInPainters property now also works for the Shape component.
Output of zero values in the ToWordsZh() function.
The JoinColumnContent() function for business objects now works correctly with calculated columns.
An issue with drawing very long content in columns in the report parameters has been fixed.
An issue with unselecting all columns in the report variables multi-column mode has been fixed.
Extra border for drop-down menu in the Rich Text component editor.
The StiOptions.Viewer.IconUseZoomEffect property has been added. If enabled, the sorting and collapse icons will be scaled in the WinForms report viewer. Also colors of these icons can be changed with the following properties: StiOptions.Viewer.IconBackgroundColor and StiOptions.Viewer.IconForegroundColor.
The issue with drill-down reports and collapsing states has been fixed.