# 0.13.0 (May 15, 2021)
### Breaking Changes
- Upgrade to `v0.14.0` of `opentelemetry` (#1394)
For list of breaking changes in OpenTelemetry, see the
[v0.14.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/main/opentelemetry/CHANGELOG.md#v0140).
# 0.12.0 (March 31, 2021)
### Breaking Changes
- Upgrade to `v0.13.0` of `opentelemetry` (#1322)
For list of breaking changes in OpenTelemetry, see the
[v0.13.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/main/opentelemetry/CHANGELOG.md#v0130).
### Changed
- Improve performance when tracked inactivity is disabled (#1315)
# 0.11.0 (January 25, 2021)
### Breaking Changes
- Upgrade to `v0.12.0` of `opentelemetry` (#1200)
For list of breaking changes in OpenTelemetry, see the
[v0.12.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/main/opentelemetry/CHANGELOG.md#v0120).
# 0.10.0 (December 30, 2020)
### Breaking Changes
- Upgrade to `v0.11.0` of `opentelemetry` (#1161)
For list of breaking changes in OpenTelemetry, see the
[v0.11.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/master/opentelemetry/CHANGELOG.md#v0110).
- Update `OpenTelemetrySpanExt::set_parent` to take a context by value as it is
now stored and propagated. (#1161)
- Rename `PreSampledTracer::sampled_span_context` to
`PreSampledTracer::sampled_context` as it now returns a full otel context. (#1161)
# 0.9.0 (November 13, 2020)
### Added
- Track busy/idle timings as attributes via `with_tracked_inactivity` (#1096)
### Breaking Changes
- Upgrade to `v0.10.0` of `opentelemetry` (#1049)
For list of breaking changes in OpenTelemetry, see the
[v0.10.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/master/opentelemetry/CHANGELOG.md#v0100).
# 0.8.0 (October 13, 2020)
### Added
- Implement additional record types (bool, i64, u64) (#1007)
### Breaking changes
- Add `PreSampledTracer` interface, removes need to specify sampler (#962)
### Fixed
- Connect external traces (#956)
- Assign default ids if missing (#1027)
# 0.7.0 (August 14, 2020)
### Breaking Changes
- Upgrade to `v0.8.0` of `opentelemetry` (#932)
For list of breaking changes in OpenTelemetry, see the
[v0.8.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/master/CHANGELOG.md#v080).
# 0.6.0 (August 4, 2020)
### Breaking Changes
- Upgrade to `v0.7.0` of `opentelemetry` (#867)
For list of breaking changes in OpenTelemetry, see the
[v0.7.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/master/CHANGELOG.md#v070).
# 0.5.0 (June 2, 2020)
### Added
- Support `tracing-log` special values (#735)
- Support `Span::follows_from` creating otel span links (#723)
- Dynamic otel span names via `otel.name` field (#732)
### Breaking Changes
- Upgrade to `v0.6.0` of `opentelemetry` (#745)
### Fixed
- Filter out invalid parent contexts when building span contexts (#743)
# 0.4.0 (May 12, 2020)
### Added
- `tracing_opentelemetry::layer()` method to construct a default layer.
- `OpenTelemetryLayer::with_sampler` method to configure the opentelemetry
sampling behavior.
- `OpenTelemetryLayer::new` method to configure both the tracer and sampler.
### Breaking Changes
- `OpenTelemetrySpanExt::set_parent` now accepts a reference to an extracted
parent `Context` instead of a `SpanContext` to match propagators.
- `OpenTelemetrySpanExt::context` now returns a `Context` instead of a
`SpanContext` to match propagators.
- `OpenTelemetryLayer::with_tracer` now takes `&self` as a parameter
- Upgrade to `v0.5.0` of `opentelemetry`.
### Fixed
- Fixes bug where child spans were always marked as sampled
# 0.3.1 (April 19, 2020)
### Added
- Change span status code to unknown on error event
# 0.3.0 (April 5, 2020)
### Added
- Span extension for injecting and extracting `opentelemetry` span contexts
into `tracing` spans
### Removed
- Disabled the `metrics` feature of the opentelemetry as it is unused.
# 0.2.0 (February 7, 2020)
### Changed
- Update `tracing-subscriber` to 0.2.0 stable
- Update to `opentelemetry` 0.2.0
