During October 2025, Saba Merkviladze enhanced the security of the moby/moby repository by implementing TLS security hardening. He upgraded the swarmkit dependency to version 2.1.1, which removed weak TLS cipher suites and enforced stronger TLS configurations, directly reducing the project’s attack surface. His work focused on dependency management and secure defaults, updating go.mod and go.sum to reflect the new version and ensuring reproducible builds through thorough verification and documentation. Using Go and leveraging his expertise in security and TLS, Saba’s contributions improved the overall security posture of moby/moby, prioritizing risk reduction and maintainability over new feature development.