GoCenter, a central repository for Go modules, was sunset on May 1, 2021, deprecating its features. The repository had helped developers navigate Golang’s semantic import versioning system, which, while solving compatibility issues, made it challenging to determine available major versions of Go modules. GoCenter offered a solution by allowing developers to see all major versions and alternative paths for any Go module, thus aiding in informed decision-making regarding dependencies. By setting the GOPROXY environment variable to GoCenter, developers could resolve dependencies and explore rich metadata, including security vulnerabilities and usage metrics, for over a million Go module versions. Although GoCenter is no longer operational, it had played a significant role in helping developers manage Go modules efficiently by providing insights into available versions and their compatibility through its intuitive user interface and metadata integration.