CHANGELOG.md

0.24.0 (May 24, 2024)

Breaking Changes

• Upgrade to opentelemetry 0.23. Refer to the upstream changelog for more information.

Added

• Added gauge metrics (#129)

Fixed

• Fixed compilation on WASI targets (#147)
• Set span end time when it exists (#124)

0.23.0 (February 26, 2024)

Breaking Changes

• Upgrade to opentelemetry 0.22. Refer to the upstream changelog for more information. In particular, i64 histograms will silently downgrade to key/value exports.

0.22.0 (November 7, 2023)

Breaking Changes

• Upgrade to v0.21.0 of opentelemetry For list of breaking changes in OpenTelemetry, see the v0.21.0 changelog.
• Update MSRV to require Rust 1.65+, as opentelemetry requires it now. (#68)

Fixed

• WASM Support (#57)
• Fix potential deadlock (#59)

Thanks to @jesseditson, @AsmPrgmC3, and @rthomas for contributing to this release!

0.21.0 (August 28, 2023)

Added

• Ability to produce measurement with attributes (#43)

Breaking Changes

• MetricsLayer is now generic over the its Subscriber impl to support per-layer filtering (#43)

Fixed

• Trace IDs not matching when propagating invalid contexts (#55)

Thanks to @ymgyt and @hdost for contributing to this release!

0.20.0 (August 1, 2023)

Added

• Add OpenTelemetrySpanExt::set_attribute function (#34)

Breaking Changes

• Upgrade to v0.20.0 of opentelemetry (#36) For list of breaking changes in OpenTelemetry, see the v0.20.0 changelog.

Thanks to @ymgyt, @mladedav, @shaun-cox, and @Protryon for contributing to this release!

0.19.0 (May 23, 2023)

Breaking Changes

• Upgrade to v0.19.0 of opentelemetry (#12) For list of breaking changes in OpenTelemetry, see the v0.19.0 changelog.
• Update MSRV to require Rust 1.60+, as opentelemetry requires it now (#12)

Thanks to @jaysonsantos, @briankung, and @humb1t for contributing to this release!

0.18.0 (September 18, 2022)

Breaking Changes

• Upgrade to v0.18.0 of opentelemetry ([#2303]) For list of breaking changes in OpenTelemetry, see the v0.18.0 changelog.

Fixed

• on_event respects event's explicit parent ([#2296])

Thanks to @wprzytula for contributing to this release!

0.17.4 (July 1, 2022)

This release adds optional support for recording std::error::Errors using [OpenTelemetry's semantic conventions for exceptions][exn-semconv].

Added

• Layer::with_exception_fields to enable emitting exception.message and exception.backtrace semantic-convention fields when an Error is recorded as a span or event field (#2135)
• Layer::with_exception_field_propagation to enable setting exception.message and exception.backtrace semantic-convention fields on the current span when an event with an Error field is recorded (#2135)

Thanks to @lilymara-onesignal for contributing to this release!

0.17.3 (June 7, 2022)

This release adds support for emitting thread names and IDs to OpenTelemetry, as well as recording std::error::Error values in a structured manner with their source chain included. Additionally, this release fixes issues related to event and span source code locations.

Added

• Layer::with_threads to enable recording thread names/IDs according to OpenTelemetry semantic conventions (#2134)
• Error::source chain when recording std::error::Error values (#2122)
• Layer::with_location method (replaces Layer::with_event_location) (#2124)

Changed

• std::error::Error values are now recorded using fmt::Display rather than fmt::Debug (#2122)

Fixed

• Fixed event source code locations overwriting the parent span's source location (#2099)
• Fixed Layer::with_event_location not controlling whether locations are emitted for spans as well as events (#2124)

Deprecated

• Layer::with_event_location: renamed to Layer::with_location, as it now controls both span and event locations (#2124)

Thanks to new contributors @lilymara-onesignal, @hubertbudzynski, and @DevinCarr for contributing to this release!

0.17.2 (February 21, 2022)

This release fixes an issue introduced in v0.17.1 where tracing-opentelemetry could not be compiled with default-features = false.

Fixed

• Compilation failure with tracing-log feature disabled (#1949)

0.17.1 (February 11, 2022) (YANKED)

Added

• OpenTelemetryLayer can now add detailed location information to forwarded events (defaults to on) (#1911)
• OpenTelemetryLayer::with_event_location to control whether source locations are recorded (#1911)

Changed

• Avoid unnecessary allocations to improve performance when recording events (#1917)

Thanks to @djc for contributing to this release!

0.17.0 (February 3, 2022)

Breaking Changes

• Upgrade to v0.17.0 of opentelemetry (#1853) For list of breaking changes in OpenTelemetry, see the v0.17.0 changelog.

0.16.1 (October 23, 2021)

Breaking Changes

• Upgrade to v0.3.0 of tracing-subscriber (#1677) For list of breaking changes in tracing-subscriber, see the v0.3.0 changelog.

Added

• OpenTelemetrySpanExt::add_link method for adding a link between a tracing span and a provided OpenTelemetry Context (#1516)

Thanks to @LehMaxence for contributing to this release!

0.15.0 (August 7, 2021)

Breaking Changes

• Upgrade to v0.17.1 of opentelemetry (#1497) For list of breaking changes in OpenTelemetry, see the v0.17.1 changelog.

0.14.0 (July 9, 2021)

Breaking Changes

• Upgrade to v0.15.0 of opentelemetry (#1441) For list of breaking changes in OpenTelemetry, see the v0.14.0 changelog.

Added

• Spans now include Opentelemetry code.namespace, code.filepath, and code.lineno attributes (#1411)

Changed

• Improve performance by pre-allocating attribute Vecs (#1327)

Thanks to @Drevoed, @lilymara-onesignal, and @Folyd for contributing to this release!

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.

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.

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.

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.
• 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.

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.

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.

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