Adam Szczygiel focused on repository hygiene and maintainability for the zephyrproject-rtos/mcuboot repository, dedicating his efforts to cleaning up obsolete testing artifacts and reverting experimental changes. He removed the compression_test sample, including its README and independent_cmp.c, and restored the original testing utility to simplify continuous integration and testing workflows. Working primarily in C and Shell, Adam applied skills in compression, test artifact management, and Git-based reversion to reduce maintenance overhead and clarify contributor expectations. His work ensured that MCUBOOT samples remained aligned with project standards, improving clarity for reviewers and supporting a more maintainable codebase for future development.