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changelog updates for Dec 15 2020 (#2313) 

* changelog updates for Dec 15 2020

* add an entry I missed
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John Watson 2020-12-15 19:12:09 -08:00 committed by GitHub
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@ -26,11 +26,21 @@ Enabling this mode will make sure that all `Scope`s that are created are closed,
are not closed before being garbage collected. This mode of operation is CPU intensive, so be careful before
enabling it in high-throughput environments that do not need this strict verification. See the javadoc on the
`io.opentelemetry.context.Context` interface for details.
- Several of the methods on the `Span` interface have been given default implementations.
- The Semantic Attributes constants have been updated to the version in the yaml spec as of Dec 14, 2020.
#### Miscellaneous
- The Metrics API has been deprecated in the `opentelemetry-api` module, in preparation for releasing a fully-stable 1.0
version of that module. The Metrics API will be removed from the module in the next release.
- The API has been broken into separate modules, in preparation for the 1.0 release of the tracing API.
If you depend on the `opentelemetry-api` module, you should get the rest of the API modules as transitive dependencies.
- The `OpenTelemetry.builder()` and the `OpenTelemetryBuilder` interface have been deprecated and will be removed in the next release.
The builder functionality is now only present on individual implementations of OpenTelemetry. For instance, the
`DefaultOpenTelemetry` class has a builder available.
- The `OpenTelemetry.setPropagators()` has been deprecated and will be removed in the next release. You should instead create your
`OpenTelemetry` implementations with the Propagators preset, via the various builder options. For example, use
`DefaultOpenTelemetry.builder().setPropagators(propagators).build()` to configure your no-sdk implementation.
### SDK
@ -38,6 +48,21 @@ If you depend on the `opentelemetry-api` module, you should get the rest of the
- The `SpanData.Link.getContext()` method has been deprecated in favor of a new `SpanData.Link.getSpanContext()`.
The deprecated method will be removed in the next release of the SDK.
- The internals of the (alpha) Metrics SDK have been significantly updated.
#### Breaking Changes
- The `ResourcesConfig.builder()` method has been made non-public.
- The `TraceConfig.Builder` class has been moved to the top-level `TraceConfigBuilder` class.
- The built-in exporter `Builder` classes have been moved to the top level, rather than inner classes. Access to the builders
is still available via `builder()` methods on the exporter classes.
- The built-in SpanProcessor `Builder` classes have been moved to the top level, rather than inner classes. Access to the builders
is still available via `builder()` methods on the SpanProcessor implementation classes.
- The built-in ParentBasedSampler `Builder` class has been moved to the top level, rather than inner classes. Access to the builder
is still available via methods on the Sampler interface.
- Many SDK classes have been renamed to be prefixed with `Sdk` rather than having `Sdk` being embedded in the middle of the name.
For example, `TracerSdk` has been renamed to `SdkTracer` and `TracerSdkManagement` has been renamed to `SdkTracerManagement`.
- The `DaemonThreadFactory` class has been moved to an internal module and should not be used outside of this repository.
### Extensions