### Fixed
- Compiler error when using `#[instrument(err)]` on functions with
mutable parameters ([#1167])
- Missing function visibility modifier when using `#[instrument]` with
`async-trait` ([#977])
- Multiple documentation fixes and improvements ([#965], [#981],
[#1215])
### Changed
- `tracing-futures` dependency is no longer required when using
`#[instrument]` on async functions ([#808])
Thanks to @nagisa, @Txuritan, @TaKO8Ki, and @okready for contributing to
this release!
[#1167]: https://github.com/tokio-rs/tracing/pull/1167
[#977]: https://github.com/tokio-rs/tracing/pull/977
[#965]: https://github.com/tokio-rs/tracing/pull/965
[#981]: https://github.com/tokio-rs/tracing/pull/981
[#1215]: https://github.com/tokio-rs/tracing/pull/1215
[#808]: https://github.com/tokio-rs/tracing/pull/808