Kamil worked on upgrading the model deployment pipeline within the castai/helm-charts repository, focusing on the castai-hosted-model Helm chart. He updated the chart definition and lock files to ensure the latest model downloader version was used, improving the reliability and consistency of hosted model deployments. The work involved careful version management using YAML and Helm, aligning the deployment process with current DevOps best practices. Over the course of the month, Kamil delivered a targeted feature without addressing bug fixes, demonstrating depth in infrastructure automation and release management. The changes streamlined version control for model components in a production environment.