Jaan Jahilo focused on improving deployment reliability for the elastic/cloud-on-k8s repository by addressing a manifest formatting issue in the eck-operator Helm chart. Using Go and Helm, Jaan identified and fixed a bug that caused an extraneous newline before selectorLabels when global.manifestGen was enabled, which previously led to YAML parsing inconsistencies and increased deployment risk across Kubernetes clusters. The solution involved targeted template cleanup, ensuring consistent and properly formatted manifests. This work enhanced the maintainability of Helm templates and reduced environment-specific variability, demonstrating a thoughtful approach to operational stability and code quality within Kubernetes-based deployment workflows.