Worked on the dotnet/project-system repository to improve the reliability of launch profile and property page actions in multi-project solutions. Addressed a bug where actions were incorrectly processed for non-.NET projects by introducing the AppliesTo attribute with ProjectCapability.DotNet to both LaunchProfileActionProvider and ProjectActionProvider. This change ensured that these providers only operate within .NET project types, preventing unintended UI behavior and aligning actions with project capabilities. Utilized C# for implementation, applying skills in API design, attribute programming, and project system development. The update enhanced user experience by scoping action providers appropriately and maintaining consistency across diverse project environments.