Kimmo Jyrinki worked on the tiiuae/px4-firmware repository, focusing on updating external dependencies for the px4_fw_update_client and secure_udp submodules. He updated version references to the latest compatible releases, ensuring backward compatibility and maintaining stable system behavior. This work, primarily involving Git submodule management and CMake integration, improved maintainability and aligned the project with upstream components, reducing future upgrade risks. Although no functional code changes were introduced, Kimmo’s careful approach strengthened release traceability and set a solid foundation for future enhancements. The depth of work was limited to dependency management, with no direct feature development or bug fixes during this period.