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Version 0.17.0 (RC)
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@anuraaga anuraaga released this 18 Feb 05:10
· 2485 commits to main since this release
v0.17.0
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Learn about vigilant mode.

0.17.0 is planned to be the final release before 1.0.0. Due to some confusion, we have consistently wavered on the goal of API stability and apologize for it. All maintainers are committed to making sure there are no further breaking changes unless a critical user facing bug or security issue is found. This is it. If you have trouble updating any code, let us know - if it's open source we can even make the change.

General

Note: In an effort to accelerate our work toward a 1.0.0 release, we have skipped the deprecation phase
on a number of breaking changes. We apologize for the inconvenience this may have caused. We are very
aware that these changes will impact users. If you need assistance in migrating from previous releases,
please open a discussion topic at
https://github.com/open-telemetry/opentelemetry-java/discussions.

Many classes have been made final that previously were not. Please reach out if you have a need to
provide extended functionality, and we can figure out how best to solve your use-case.

API

☢️Breaking Changes

  • TraceStateBuilder.set(String, String) has been renamed to TraceStateBuilder.put(String, String).
  • BaggageBuilder.setParent() and BaggageBuilder.setNoParent() have been removed from the Baggage APIs.
    In addition, Baggage will no longer be implicitly generated from Baggage that is in the current context. You now must explicitly
    get the Baggage instance from the Context and call toBuilder() on it in order to get the entries pre-populated in your builder.
  • TextMapPropagator.Setter and TextMapPropagator.Getter have been moved to the top level and renamed to
    TextMapSetter and TextMapGetter respectively.
  • OpenTelemetry.getDefault() has been renamed to OpenTelemetry.noop().
  • OpenTelemetry.getPropagating() has been renamed to OpenTelemetry.propagating().
  • TracerProvider.getDefault() has been renamed to TracerProvider.noop()
  • Tracer.getDefault() has been removed.
  • TraceId.getTraceIdRandomPart(CharSequence) has been removed.
  • The B3Propagator.getInstance() has been renamed to B3Propagator.injectingSingleHeader().
  • The B3Propagator.builder() method has been removed. As a replacement, you can use B3Propagator.injectingMultiHeaders() directly.

SDK

☢️Breaking Changes

  • The SPI for configuring Resource auto-populators has been removed from the SDK and moved to the opentelemetry-sdk-extension-autoconfigure module.
    This means that Resource.getDefault() will no longer be populated via SPI, but only include the bare minimum values from the SDK itself.
    In order to get the auto-configured Resource attributes, you will need to use the opentelemetry-sdk-extension-autoconfigure module directly.
  • InstrumentationLibraryInfo.getEmpty() has been renamed to InstrumentationLibraryInfo.empty().
  • Resource.getEmpty() has been renamed to Resource.empty().
  • When specifying the endpoints for grpc-based exporters, you now are required to specify the protocol. Hence, you must include
    the http:// or https:// in front of your endpoint.
  • The option on SpanLimits to truncate String-valued Span attributes has been removed (this is still pending in the specification).
  • The InMemoryMetricsExporter has been removed from the opentelemetry-sdk-testing module.

🌟Miscellaneous

  • The default values for SpanLimits have been changed to 128, from 1000, to match the spec.

Extensions

☢️Breaking Changes

  • In the opentelemetry-sdk-extension-autoconfigure module, we have changed the system property used to exclude some Resource auto-populators to be
    otel.java.disabled.resource-providers instead of otel.java.disabled.resource_providers.
  • In the opentelemetry-sdk-extension-autoconfigure module, you now specify the OtTracePropagator with the "ottrace" option, rather than "ottracer".
  • In the opentelemetry-sdk-extension-autoconfigure module, the default exporters are now set to be "otlp", as required by the 1.0.0 specification.
  • In the opentelemetry-sdk-extension-autoconfigure module, the default propagators are now set to be "tracecontext,baggage", as required by the 1.0.0 specification.
  • The CommonProperties class has been removed from the opentelemetry-sdk-extension-otproto module.

Metrics (alpha)

☢️API

  • Meter.getDefault() has been removed.
  • MeterProvider.getDefault() has been renamed to MeterProvider.noop().
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