James Humphries upgraded the OpenBao API to version 2.4.0 within the opentofu/opentofu repository, focusing on modernizing dependencies and improving long-term project stability. He managed the update by revising go.mod and go.sum files, ensuring compatibility with the latest stable release and enabling access to new API features. The work demonstrated careful Go module management and adherence to semantic versioning, resulting in a clean, auditable single-commit upgrade. While no separate bugs were addressed during this period, James’s approach to dependency management reduced the risk of regressions and prepared the codebase for future enhancements using Go and related tooling.