# Changelog
## 0.4.0 - 2021-08-11
### Added
* async: Add async reader (`vcf::AsyncReader`).
* async: Add async writer (`vcf::AsyncWriter`).
Async I/O can be enabled with the `async` feature.
## 0.3.0 - 2021-08-04
### Added
* vcf/header/alternative_allele: Accept `Into<String>` for description in
constructor.
## 0.2.0 - 2021-07-30
### Added
* vcf/header/contig: Accept `Into<String>` arguments in constructor.
* vcf/header/filter: Accept `Into<String>` arguments in constructor.
## 0.1.1 - 2021-07-21
### Fixed
* Fixed documentation link in package manifest ([#31]).
[#31]: https://github.com/zaeleus/noodles/issues/31
## 0.1.0 - 2021-07-14
* Initial release.