During August 2025, Will Charczuk developed a new client authority feature for the temporalio/cli repository, focusing on enhancing gRPC connection flexibility in Go-based CLI tooling. He introduced a --client-authority flag, allowing users to explicitly set the Authority field on gRPC client connections, which is particularly useful for managing identity and routing in proxy or multi-tenant environments. The implementation involved wiring the new flag into the client creation process to set ConnectionOptions.Authority, directly addressing configuration needs outlined in issue #846. Will concentrated on delivering this capability, demonstrating depth in Go, CLI development, and gRPC integration without addressing bug fixes.