During June 2025, Dshil enhanced reliability and developer experience in the eclipse-zenoh/zenoh-pico and ZettaScaleLabs/zenoh-c repositories by improving error handling in C example code. He updated sample programs to detect and respond to negative return values from API calls, addressing cases where previous logic could mask failures. By clarifying API failure semantics and implementing defensive error detection, Dshil ensured that client code would not silently ignore critical issues. His work focused on C programming and API integration, emphasizing robust error handling and maintainability. These targeted improvements laid a foundation for more consistent and reliable client-side error management.