# 0.1.19 (August 17, 2021)
### Added

- `Level::as_str` ([#1413])
- `Hash` implementation for `Level` and `LevelFilter` ([#1456])
- `Value` implementation for `&mut T where T: Value` ([#1385])
- Multiple documentation fixes and improvements ([#1435], [#1446])

Thanks to @Folyd, @teozkr, and @dvdplm for contributing to this release!

[#1413]: https://github.com/tokio-rs/tracing/pull/1413
[#1456]: https://github.com/tokio-rs/tracing/pull/1456
[#1385]: https://github.com/tokio-rs/tracing/pull/1385
[#1435]: https://github.com/tokio-rs/tracing/pull/1435
[#1446]: https://github.com/tokio-rs/tracing/pull/1446

Signed-off-by: Eliza Weisman <eliza@buoyant.io>