A changelog is kept per crate, see:

- [`bitcoin` CHANGELOG](bitcoin/CHANGELOG.md)
- [`addresses` CHANGELOG](addresses/CHANGELOG.md)
- [`base58` CHANGELOG](base58/CHANGELOG.md)
- [`hashes` CHANGELOG](hashes/CHANGELOG.md)
- [`internals` CHANGELOG](internals/CHANGELOG.md)
- [`io` CHANGELOG](io/CHANGELOG.md)
- [`primitives` CHANGELOG](primitives/CHANGELOG.md)
- [`units` CHANGELOG](units/CHANGELOG.md)