# CHANGELOG

## Unreleased

### Added

- Add the ability to set Content-ID header for ParamPart [#62](https://github.com/socketry/multipart-post/pull/62)
- Allow mixed key types for parts headers [#79](https://github.com/socketry/multipart-post/pull/79)

### Changed

- Refactor `Parts` into a `Multipart::Post` namespace  [#65](https://github.com/socketry/multipart-post/pull/65)
- Use mutable strings where needed [#70](https://github.com/socketry/multipart-post/pull/70)
- Use `frozen_string_literal` everywhere [#78](https://github.com/socketry/multipart-post/pull/78)