- The author created json2xml-c as a standalone C library and CLI, not to replace the Python/Rust version but to offer a dependency-free alternative.
- Benchmarks show the C pipeline is 1.51x to 5.39x faster than the Python/Rust full pipeline, but this is due to narrower product boundaries, not language superiority.
- The C version owns the entire conversion path from JSON bytes to XML output, with features like UTF-8 handling, XML validation, and pretty-printing.
- The release includes pre-built binaries for multiple platforms, comprehensive testing with 100% line/function coverage, and deterministic allocation-failure tests.