Maximilian Rauchecker focused on stabilizing ISO-TP flow control handling in the esrlabs/openbsw repository, addressing a critical bug in the encoding of minimum separation time within Flow Control Frames. Working in C++ and leveraging expertise in CAN Protocol and embedded systems, he corrected the byte encoding to ensure compliance with the ISO-TP standard. To prevent future regressions, Maximilian developed targeted regression tests that validated encoding values and maintained precise traceability of changes. His work enhanced the reliability and interoperability of the ISO-TP protocol, ensuring correct frame timing semantics and supporting robust communication between downstream automotive components.