0.52.0

:boom: Breaking Change

• feat(exporter--otlp-)!: move serialization for Node.js exporters to @opentelemetry/otlp-transformer #4542 @pichlermarc
  • Breaking changes:
    • (user-facing) convert() now returns an empty object and will be removed in a follow-up
    • (internal) OTLPExporterNodeBase now has additional constructor parameters that are required
    • (internal) OTLPExporterNodeBase now has an additional ResponseType type parameter
• feat(exporter--otlp-)!: move serialization for Node.js exporters to @opentelemetry/otlp-transformer #4581 @pichlermarc
  • Breaking changes:
    • (user-facing) convert() has been removed from all exporters
    • (internal) OTLPExporterBrowserBase: RequestType has been replaced by a ResponseType type-argument
    • (internal) OTLPExporterNodeBase: ServiceRequest has been replaced by a ServiceResponse type-argument
    • (internal) the @opentelemetry/otlp-exporter-proto-base package has been removed, and will from now on be deprecated in npm
• feat(instrumentation): remove default value for config in base instrumentation constructor #4695: @blumamir
• fix(instrumentation)!: remove unused supportedVersions from Instrumentation interface #4694 @blumamir
• feat(instrumentation)!: simplify registerInstrumentations() API
  • Breaking changes:
    • removes InstrumentationOptions type
    • occurrences of InstrumentationOptions are now replaced by (Instrumentation | Instrumentation[])[]
      • migrate usages of registerInstrumentations({instrumentations: fooInstrumentation}) to registerInstrumentations({instrumentations: [fooInstrumentation]})
      • passing Instrumentation classes to registerInstrumentations() is now not possible anymore.
• feat(sdk-node)!: simplify type of instrumentations option
  • Breaking changes:
    • replaces InstrumentationOptions with (Instrumentation | Instrumentation[])[]

:rocket: (Enhancement)

• feat(instrumentation): apply unwrap before wrap in base class #4692
• feat(instrumentation): add util to execute span customization hook in base class #4663 @blumamir
• feat(instrumentation): generic config type in instrumentation base #4659 @blumamir
• feat: support node 22 #4666 @dyladan
• feat(propagator-aws-xray-lambda): add AWS Xray Lambda propagator 4554
• refactor(instrumentation-xml-http-request): use exported strings for semantic attributes. #4681

:bug: (Bug Fix)

• fix(instrumentation): Update import-in-the-middle to fix numerous bugs #4745 @timfish

:books: (Refine Doc)

• docs(instrumentation): better docs for supportedVersions option #4693 @blumamir
• docs: align all supported versions to a common format #4696 @blumamir
• refactor(examples): use new exported string constants for semconv in experimental/examples/opencensus-shim #4763 @Zen-cronic