Abhishek Singh focused on stabilizing and enhancing the CI/CD infrastructure for the espressif/esp-matter repository by migrating the build system to the PN Jenkins server. He updated the Jenkinsfile and CI configuration, shifting build agents from the legacy 'master' node to a dedicated 'build' node and adding a 'build' label to the Docker agent configuration. Using Groovy and Jenkins, Abhishek’s work improved build reliability and reduced configuration drift between infrastructure and CI. Although the period involved no new features, his targeted bug fix established a more scalable and maintainable CI/CD pipeline, laying groundwork for future infrastructure migrations and organizational growth.