Worked on the JetBrains/Avalonia repository to enhance data binding reliability in DataGrid-like controls by fixing implicit x:DataType inference for properties with the InheritDataTypeFromItems attribute. This improvement ensured correct data type inheritance in complex UI scenarios and was validated through targeted regression testing using C# and XAML. Additionally, contributed to AvaloniaUI/avalonia-docs by creating a practical documentation example for MultiBinding with built-in converters, demonstrating how to bind multiple properties and conditionally render UI elements. The documentation, written in Markdown, aimed to streamline developer onboarding and clarify advanced data binding patterns, supporting faster and more accurate integration for new users.