Thanks for your interest! There are many ways to help:
Code should be easy to understand and documented. For new features and fixed bugs please add a test to one of the files in test/. The tests are run on Travis CI to catch regressions early. Format your code with cargo fmt before committing. Currently Serde CBOR does not contain unsafe code and I would like to keep it this way.
Cargo.toml and the README.md. Bugfixes increase the patch version while new features or an increased minimum Rust version require a new minor version.examples/readme.rs and the example from the README.md match.git tag "v42.0.2"git push --tagscargo publish