### Fixed
- **attributes**: Compiler error when using `#[instrument(err)]` on
functions with mutable parameters ([#1167])
- **attributes**: Missing function visibility modifier when using
`#[instrument]` with `async-trait` ([#977])
- **attributes** Removed unused `syn` features ([#928])
- **log**: Fixed an issue where the `tracing` macros would generate code
for events whose levels are disabled statically by the `log` crate's
`static_max_level_XXX` features ([#1175])
- Fixed deprecations and clippy lints ([#1195])
- Several documentation fixes and improvements ([#941], [#965], [#981],
[#1146], [#1215])
### Changed
- **attributes**: `tracing-futures` dependency is no longer required
when using `#[instrument]` on async functions ([#808])
- **attributes**: Updated `tracing-attributes` minimum dependency to
v0.1.12 ([#1222])
Thanks to @nagisa, @Txuritan, @TaKO8Ki, @okready, and @krojew for
contributing to this release!