The C++ implementation is the reference implementation which is by far the most complete, and is the only one I maintain personally. The other implementations h

The C++ implementation is the reference implementation which is by far the most complete, and is the only one I maintain personally. The other implementations have varying levels of completion and quality, ranging from "pretty solid" (Rust, Go) to "someone's weekend project one time in 2015". I suppose number of dependencies would depend entirely on the particular implementation.