Worked on the SiliconLabsSoftware/matter_extension repository to address device initialization issues in Matter/OpenThread networks. Focused on embedded systems and IoT, the developer implemented a targeted bug fix in C++ to ensure Zigbee Light Link (ZLL) devices properly unset the factory-new state after commissioning. By introducing the ZLLNotFactoryNew mechanism, which calls sl_zigbee_af_zll_unset_factory_new, the solution improved device onboarding reliability and reduced the need for manual intervention. The work enhanced network commissioning processes by ensuring devices join and initialize correctly within commissioned environments, and contributed clear, maintainable code integrated through a well-documented pull request linked to MATTER-4479.