ChartCenter, a community platform designed for Kubernetes developers, was launched as a central repository for Helm charts with a focus on chart immutability, ensuring availability even if the original source is down. Despite its capabilities, ChartCenter has been sunsetted as of May 1, 2021. One of its key features was the integration of JFrog Xray to provide free vulnerability information for every chart version, which included scanning for vulnerabilities and calculating CVE scores. The platform allowed users to view detailed vulnerability information through a security tab on each chart page, and it introduced "Mitigation Notes" to empower chart maintainers to provide context on CVEs affecting applications. This feature enabled maintainers to engage with users about security issues directly via the ChartCenter UI, offering transparency and empowering both maintainers and users with tools for informed decision-making. ChartCenter also provided a mechanism for maintainers to submit a security-mitigation.yaml file to document mitigation strategies, which could be hosted internally or externally. Despite its closure, ChartCenter's approach to vulnerability management and maintainer-user engagement highlighted the importance of transparency and collaboration in open-source security practices.