mavlink-message-definitions is used at run time in 3 crates (of which 1 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 1 crate.

Depender (with downloads and own rev deps) mavlink-message-definitions version
700 1 mavlink-dialects build ^0.6.4
750 1 mavspec optional ^0.6.4