Alexander Svensen contributed a targeted bug fix to the zephyrproject-rtos/zephyr repository, focusing on Bluetooth stack reliability within embedded systems. He addressed a test flakiness issue by refining the GAP stop-advertising logic, ensuring that extended advertising sets are properly cleared and recycled so the same Advertising Set Identifier is preserved across restarts. This C-based solution improved test determinism for the BV-03-C scenario and reduced intermittent failures during advertising set restarts. Alexander validated the changes through the Bluetooth test suite and updated related documentation, demonstrating a methodical approach to embedded Bluetooth testing and continuous integration stability within the Zephyr project.