Alexandre Gigleux enhanced the SonarSource/sonar-plugin-api repository by improving API documentation and refining code to support better developer onboarding. He focused on clarifying the addTelemetryProperty key naming convention, providing concrete examples to guide plugin authors and reduce integration errors. Working primarily in Java, Alexandre updated SensorContext.java to ensure consistency with the new documentation, aligning code and guidance for a smoother developer experience. His work emphasized API design and documentation-driven development, aiming to minimize misusage and accelerate onboarding for new contributors. Over the month, he delivered one feature, demonstrating depth in code maintenance and technical communication within the project.