During June 2026, this developer expanded the hashicorp/go-tfe repository by delivering S390x architecture support, enabling Go-TFE tool versions to run on IBM Z platforms. The work involved backend development and API enhancements in Go, with a focus on cross-platform compatibility. They updated automated tests and validation pipelines to include S390x, ensuring robust support for users on this architecture. Through PR-based collaboration and code reviews, they removed blockers that previously prevented S390x tool versions, improving platform parity for enterprise customers. Their contributions emphasized test automation, CI validation, and backend engineering, addressing the needs of organizations requiring broader architecture support.