AlterNET Studio Versions

AlterNET Studio

• Added a Visual Studio 2026 extension, enabling AlterNET Studio integration with Visual Studio 2026.
• Added .NET 10 support across all AlterNET component libraries.
• Updated the licensing model to provide reliable license validation for .NET Core projects.

Code Editor

• Added CodeLens functionality to C# and Visual Basic Roslyn parsers, enabling inline code insights.
  Added support for live text preview in the Code Editor without modifying the underlying text.
• Optimized painting performance in the WinForms Code Editor.
• Added the new SkiaSyntaxEdit WinForms control with support for fast Skia and OpenGL rendering.
• Improved Code Action icons for the Code Editor when using dark theme.
• Added theme-specific colors for the search and replace dialogs in WinForms and WPF text editor to highlight the input field border when no matches are found.
• Added support for resizing the Code Completion window in the WPF Text Editor.
• Updated the Search/Replace dialog to use a custom ComboBox control with additional features, including highlighting the input border when text is not found.
• Added code completion options to the Text Editor control, allowing configuration of features such as InfoTips and CodeLens display.
• KnownTypes and KnownFunctions colors can now be configured through visual themes.
• Updated the current line highlighting appearance to match Visual Studio.
• Added categorized display support for PowerFX parser code completion.

Syntax Parsers

• Updated Roslyn parsers to use the latest Microsoft.CodeAnalysis libraries version 5.6.0.
  Added XmlSchemaSet support to XmlParserWithSchema, allowing multiple schemas to be specified for code completion and diagnostics.
• Added support for changing the language at design time for the TextMate parser.
• Added support for parsing C# top-level statements (without type or method declarations) in the Advanced C# Parser.
• Added support for code completion categories in the PowerFX parser.

Scripter

• Added a cross-platform debugger for debugging C# and Visual Basic scripts on Windows, macOS, and Linux.
• Enabled embedding of Portable PDB debug information in compiled executables.
• Added support for recursively resolving referenced assemblies during compilation, controlled by the ResolveRecursiveReferences property.
• Scripter now copies native libraries when resolving NuGet package references, if required.
• Extended Scripter with HasType, FindType, RunMethod, and RunMethodAsync methods, allowing inspection and execution of compiled assemblies.
• Localized debugger UI control text and captions for all supported non-English languages.

Form Designer

• Added support for creating UserControl instances programmatically.

Cross-platform

• Code Editor and Scripter for AlterNET UI/MAUI are now available as a first public release.
• Added Scripter and Script Debugger sample projects targeting AlterNET UI/MAUI.
• Visual Basic scripts can now run on macOS.
• TypeScript and JavaScript scripts can now run on macOS and Linux.
• Added a typed GlobalItem for the Python Scripter engine, allowing application objects to be accessed from Python scripts.
• Implemented all common Script Debugger UI controls for Alternet UI/MAUI.

Demo Projects

• Added Copilot demos for C# and Python showing how Copilot chat and Copilot code suggestions can be integrated with the Code Editor.
• Improved dark theme support in AlterNET UI/MAUI demo projects.
• Added a TypeScript demo project demonstrating how to run lightweight TypeScript scripts with minimal dependencies.
• Project files can now be opened in the AlterNET Studio demo using read-only mode.
• Added an .editorconfig file containing AlterNET Software source code formatting rules to the demos folder in the installation.
• Improved DebuggerIntegration by displaying error messages when a script encounters runtime errors.
• Reorganized the main and context menus in the AlterNET Studio demo.
• Added a Scripter demo demonstrating various script execution methods using Run, RunAsync, and RunMethod.

AlterNET Studio

• Fixed an issue where icons for AlterNET Studio components and controls were missing in the Visual Studio Toolbox.
• Fixed issues with installing AlterNET Studio via command-line mode.

Code Editor

• Fixed an issue where code completion icons were rendered too large on high-DPI displays.
• Fixed a memory leak related to the Bookmark Manager in the WPF TextEditor.
• Fixed an issue with cursor size on high-DPI displays.
• Fixed an issue with copying/pasting and dragging rectangular blocks if under .NET 8/9/10.
• Fixed an issue where searching and replacing a word that appears in the text only once produced incorrect behavior in the text editor.

Syntax Parsers

• Fixed an issue with tuple parsing in the Advanced C# parser.

Scripter

• Resolved a bug that prevented solutions containing dynamic library projects from compiling correctly.
• Fixed an issue with debugger evaluation when script debugger debugs a script compiled against different version of .NET Framework or .NET.

Form Designer

• Fixed an issue where the Name property was read-only in PropertyGrid on .NET 8 and .NET 9.
• Fixed the default size of controls dropped from the Toolbox on high-DPI displays.

Cross-platform

• Fixed minor rendering issues in the AlterNET UI/MAUI Code Editor.

Demo Projects

• Fixed toolbar icons in demo projects for the dark theme.
• Fixed an issue with saving projects containing duplicate references in AlterNET Studio demo.
• Fixed an issue with opening .settings files in the AlterNET Studio demo.
• Fixed an issue with syntax errors appearing after reopening .XAML files.

• Added support for loading and editing User Controls in the WPF Form Designer.

• Fixed an issue with deploying embedded Python on non-English Windows systems.
• Fixed a debugger error that occurred when evaluation timed out.

• .NET Scripter now supports new methods: HasMethod and FindMethod for checking if script method exists before calling it.
• .NET Scripter debugger now supports debugging source code loaded from a string constant or a resource.

• The bug with running the script method with arbitrary arguments has been fixed.
• The bug with the error underline being displayed in the gutter area of TextEditor has been fixed.

• Fixed bug when un-highlighting matching braces in the Code Editor.
• Fixed crash when pasting a JSON snippet in the Code Editor when editing C# code.
• Fixed bug displaying very long lines in the WPF editor.
• Fixed bug displaying code snippets in the WPF editor.
• Fixed bug not displaying the TAB character while evaluating a string expression in the Script Debugger.
• Fixed bug evaluating complex objects when the compiled script targets a different version of .NET.
• Fixed bug running the async script method with arbitrary arguments.
• Fixed regression issue with syntax highlighting when exporting editor's content in RTF format.