As of Rust 1.48, these are stable and the warnings are enabled by default.

Updates the requirements on [parking_lot](https://github.com/Amanieu/parking_lot) to permit the ...

I reckon this is a bug, and @samschlegel fixed this for ChronoUtc,
but not for ChronoLocal.

Updates the requirements on [pin-project-lite](https://github.com/taiki-e/pin-project-lite) to p...

## Motivation

Closes #648

## Solution

Install cargo-hack from GitHub release instead of...

## Motivation

Support the latest OpenTelemetry specification

## Solution

In order to su...

`format::Format` already has default values for the log format (`Full`)
as well as time measuri...

## Motivation

Right now TracedError is pretty much incompatible with enum heavy error
handli...

## Motivation

Currently, the `FmtContext` type implements `FormatFields` using the
subscribe...

## Motivation

#940

## Solution

This changes the docs.rs links, many of which were broke...

## Motivation

Closes https://github.com/tokio-rs/tracing/issues/940.

## Solution

Uses ~...

The changes were in tests, tracing-error, and example.

Depends on #1067

## Motivation

Currently, the `Compact` event formatter in `tracing-subsc...

## Motivation

Currently, the `tracing_subscriber::fmt` module contains only
single-line even...

## Motivation

hawkw/sharded-slab#45 changes `sharded-slab` so that the per-shard
metadata is...

This PR removes the deprecated items in `tracing-subscriber`. It _does
not_ remove `Collect::dr...

This PR renames the following:

- `tracing_core::Subscriber` to `tracing_core::Collect`
- `tr...

* Remove TraceLogger

The `TraceLogger` implementation is deprecated and this PR removes it
c...

## Motivation

We've tried very hard to make sure that entering and exiting spans is
lightwei...

Updates the requirements on [env_logger](https://github.com/env-logger-rs/env_logger) to permit ...

…and the `factorial` example.

Updates the requirements on [pin-project](https://github.com/taiki-e/pin-project) to permit the ...

In `tracing/README.md`, the section "Supported Rust Versions" was
presented twice with the sa...

A PR to make the docs extra swish via a favicon for the browser tab!

Before

![image](http...

## Motivation

Currently, the `reload` layer is generic over both the type of the layer
being...

Updates the requirements on [crossbeam-channel](https://github.com/crossbeam-rs/crossbeam) to pe...

## Motivation

It is currently possible to create a span graph which includes a span
that has...

## Motivation

Use of `echo "::add-path::<PATH>"` has been deprecated on GitHub CI.

## Solu...

## Motivation

For the non-async case, early returns could escape the block so that the
error...

## Motivation

Presently, `tracing` and `tracing-core` allow disabling the Rust
standard libr...

Updates the requirements on [cfg-if](https://github.com/alexcrichton/cfg-if) to permit the lates...

## Motivation

Fixes https://github.com/tokio-rs/tracing/issues/975.

## Solution

Thi...

## Motivation

This is code refactoring. Currently, there is a lot of code that declares
modu...

## Motivation

Since `core` and `alloc` are unconditionally available, there is no
need to us...

## Motivation

Currently, the tests for the linked list implementation in
`tracing_core::call...

This adds support for having dashes in log target names, like:
`target-name=info`

## Motivat...

## Motivation

This caught multiple broken links in the documentation. Partially
addresses #9...

## Motivation

While using `tracing-opentelemetry` I noticed all the data gets sent to the
co...

This change adds an intrusive `LinkedList` for the
callsite registry. The linked list is lock-f...

Allows `tracing-serde` to work on devices without `std`.

* Enable `#[no_std]` in `tracing-se...

* tracing: remove `Into<Option<Id>>` impl for `Span`

This doesn't work correctly, since the s...

## Motivation

The `Entered` guard returned by `Span::enter` represents entering and
exiting ...

## Motivation

This will avoid breaking CI on new releases of clippy. It also makes the
code ...

This branch updates all crate versions to 0.2.x. After this PR merges,
we can now develop `trac...

## Motivation

The `tracing-macros` crate doesn't currently compile with the latest
`tracing`...

### Fixed

- Incorrect inlining of `Span::new`, `Span::new_root`, and
`Span::new_child_of`,...

### Fixed

- Incorrect inlining of `Event::dispatch` and `Event::child_of`, which
could res...

## Motivation

Currently, there are some minor issues with `Ord` and `PartialOrd` impls
in `t...

## Motivation

Presently, functions for recording new spans and events that can get the
curre...

## Motivation

This makes both structs easier to use because you no longer have to
worry abou...

Authored-by: David Barsky <[email protected]>
Co-authored-by: Eliza Weisman <[email protected]>

## Motivation

In PR #943, the construction of `ValueSet`s for events and spans was
moved out...

## Motivation

In order to get a compiler warning (or error) when links are broken.
Closes #...

Instrument removes the visibility of function that looks like its
from async-trait even if its ...

`tracing-subscriber` depended on unreleased `tracing-serde` APIs and
thus couldn't be released ...

### Added

- `SerdeMapVisitor::finish` to complete serializing the visited objects
(#892)
...

# 0.2.12 (September 8, 2020)

### Fixed

- **env-filter**: Fixed a regression where `Option<...

# 0.1.16 (September 8, 2020)

### Fixed

- Added a conversion from `Option<Level>` to `Level...

## Motivation

See context from
https://github.com/tokio-rs/tracing/pull/776#discussion_r4680...

Resolves a previously unreported issue where `Option<Level>` is not
a valid `LevelFilter`.

## Motivation

tracing-tracy has become tested enough that I’m comfortable with suggesting it ...

## Motivation

Currently the `OpenTelemetryLayer` is coupled to the opentelemetry SDK
in a wa...

## Motivation

refs #642

Start Testing the core crate in a wasm environment. This requires...

## Motivation

There are cases where an `opentelemetry` span will be created before a
`tracin...

### Changed

- Significantly reduced assembly generated by macro invocations (#943)
- Updat...

This changes the logo to a wordmark. This should be consistent
with the ones for all the other ...

### Fixed

- When combining `Interest` from multiple subscribers, if the interests
differ, ...

## Motivation

Currently, tracing's macros generate a *lot* of code at the expansion
site, mo...

Includes a listing of `diesel-tracing` as a related third party crate.

This crate provides in...

refs #642

## Motivation

More, and more code is targeting wasm architectures. This is usefu...

This seems extraneous.

## Motivation

JSON is a structured format, so the order of the fields should be
unimportant....

This PR adds [`tracing-unwrap`](https://docs.rs/tracing-unwrap) to the
list of related crates i...

The test-env-log crate comes in useful when testing tracing based
applications/libraries. With t...

### Fixed

- Corrected wrong minimum supported Rust version note in docs (#941)
- Removed unu...

## Motivation

PR #934 fixed a bug in the CI configuration where MSRV checks were not
being r...

## Motivation

The current MSRV check is lazybones, it's meaningless unless we override
toolc...

The `opentelemetry` crate depends on `prometheus`, which depends on
`protobuf`, a crate which do...

PR #875 added code to `tracing-attributes` that uses `Option::flatten`,
which was only added to ...

This PR removes the "derive" feature, which is not used.

The "extra-traits" flag could be eli...

## Motivation

Fixes #894

## Solution

This PR implements Layer for Option, allowing user...

## Motivation

Currently, when multiple subscribers are in use, the way that `Interest`
value...

## Motivation

The test-support mock subscribers currently `println!` a bunch of
debugging ou...