Worked on a coordinated Go toolchain upgrade to version 1.23.5 across the etcd-io/auger, etcd-io/etcd-operator, slackhq/etcd, and etcd-io/bbolt repositories, focusing on build system configuration and dependency management. Updated go.mod files, go-version references, and Dockerfiles to apply the latest security patches and enable new language features, resulting in more stable and secure builds. Propagated these changes across multiple modules within each repository, ensuring consistent build environments and compatibility. This work established a foundation for smoother future upgrades by centralizing Go toolchain management and integrating continuous integration compatibility checks, enhancing developer productivity and ecosystem reliability.