Learn what's new across releases, with details of features, enhancements, and resolved issues.
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Actipro SyntaxEditor for WPF 25.1.4Mar 13, 2026
Features
SyntaxEditor
Python Language Add-on
Improved how the Python resolver handles with statements.
Improved how the Python module loader processes string literal type annotations.
Improved support for Python return type annotations.
Shared
Added the TrustedCodeService class that manages dynamic loading of types in a secure-by-default manner. This change may be potentially breaking for certain rarely used features, so it's important to review the related documentation for details.
Fixes
SyntaxEditor
Fixed an issue where text containing extreme numbers of diacritics could cause problems with the text layout engine.
.NET Languages Add-on
Fixed an issue in the C# parser where nesting a record struct caused a parse error.
Actipro SyntaxEditor for WPF 25.1.3Jan 22, 2026
Features
Python Language Add-on
Improved the Python resolver logic for resolving classes.
Fixes
Fixed an issue recently introduced in the Language Designer where lexical pattern group pattern types could incorrectly change from Regex to Explicit.
.NET Languages Add-on
Fixed an issue in the C# parser grammar where the 'record' keyword couldn't be used as a variable properly.
Shared
Fixed a rare exception that might be thrown from InfoBarPanel due to a negative calculated width of the center column.