CHANGELOG.md

CHANGELOG

All notable changes to experimental packages in this project will be documented in this file.

Unreleased

💥 Breaking Change

🚀 (Enhancement)

🐛 (Bug Fix)

• fix(sdk-logs): avoid map attribute set when count limit exceeded

📚 (Refine Doc)

🏠 (Internal)

0.45.1

🐛 (Bug Fix)

• Bumps all dependencies to explicitly include Stable v1.18.1 packages

0.45.0

💥 Breaking Change

• fix(sdk-node)!: remove the explicit dependency on @opentelemetry/exporter-jaeger that was kept on the previous release
  • '@opentelemetry/exporter-jaeger' is no longer be a dependency of this package. To continue using '@opentelemetry/exporter-jaeger', please install it manually.
    • NOTE: @opentelemetry/exporter-jaeger is deprecated, consider switching to one of the alternatives described here
• fix(otlp-transformer)!: OTLP json encoding #4220 @seemk
  • Fixes a bug in the OTLP (http/json) exporters where timestamps were not encoded as strings, causing the export to be rejected by OTLP endpoints

0.44.0

💥 Breaking Change

• fix(exporter-logs-otlp-proto): change OTLPLogExporter to OTLPLogExporter #4140 @Vunovati
• fix(sdk-node): remove explicit dependency on @opentelemetry/exporter-jaeger
  • '@opentelemetry/exporter-jaeger' is no longer be a dependency of this package. To continue using '@opentelemetry/exporter-jaeger', please install it manually.
    • NOTE: @opentelemetry/exporter-jaeger is deprecated, consider switching to one of the alternatives described here
• fix(sdk-logs): hide internal methods with internal shared state #3865 @legendecas

🚀 (Enhancement)

• feat(exporter-metrics-otlp-proto): add esm build #4099 @pichlermarc
• feat(opencensus-shim): implement OpenCensus metric producer #4066 @aabmass

🐛 (Bug Fix)

• fix(otlp-exporter-base): replaced usage of window with _globalThis #4157 @cristianmadularu
• fix(otlp-transformer): Avoid precision loss when converting from HrTime to unix nanoseconds. #4062

0.43.0

🐛 (Bug Fix)

• Revert "feat(api): add attributes argument to recordException API #4071"
  • This feature was an unintentional breaking change introduced with API 1.5.0
  • This PR updates all experimental packages to allow API 1.6.0, where this change has been reverted.

0.42.0

💥 Breaking Change

• chore(sdk-node): deprecate methods in favor of constructor options #3996 @pichlermarc
  • The following methods are now deprecated and will be removed in 0.43.0
    • NodeSDK.configureTracerProvider(), please use constructor options instead
    • NodeSDK.configureMeterProvider(), please use constructor options instead
    • NodeSDK.configureLoggerProvider(), please use constructor options instead
    • NodeSDK.addResource(), please use constructor options instead
    • NodeSDK.detectResources(), this is not necessary anymore, resources are now auto-detected on startup.
• chore(sdk-node): add notice that '@opentelemetry/exporter-jaeger' has to be installed manually in the next version #4068 @pichlermarc
  • Starting with 0.43.0 '@opentelemetry/exporter-jaeger' will no longer be a dependency of this package. To continue using '@opentelemetry/exporter-jaeger', please install it manually.
    • NOTE: @opentelemetry/exporter-jaeger is deprecated, consider switching to one of the alternatives described here

🚀 (Enhancement)

• feat: update PeriodicExportingMetricReader and PrometheusExporter to accept optional metric producers #4077 @aabmass

🐛 (Bug Fix)

• fix(exporter-logs-otlp-http): add @opentelemetry/api-logs as dependency

0.41.2

🐛 (Bug Fix)

• fix(opentelemetry-exporter-logs-otlp-http): Add otel-api as dev dep for tests as they are directly importing the api and which is breaking the web-sandbox tests which is using rollup
• fix(instrumentation-grpc): instrument @grpc/grpc-js Client methods #3804 @pichlermarc

0.41.1

📚 (Refine Doc)

• docs(sdk-metrics): add example of exponential histogram metric #3855 @JamieDanielson

🚀 (Enhancement)

• feat(sdk-node): logs support added #3969 @psk001

🐛 (Bug Fix)

• Revert "feat(minification): Add noEmitHelpers, importHelpers and tslib as a dependency (#3914)" #4011 @dyladan

0.41.0

💥 Breaking Change

• chore(instrumentation-grpc): Drop support for package grpc. #3807 @llc1123

🚀 (Enhancement)

• feat(otlp-grpc-exporters): add support for UDS endpoints. #3853 @llc1123
• feat(otlp-exporters): bump otlp proto to 0.20.0 #3932 @pichlermarc
• feat(exporter-metrics-otlp-*): add LowMemory metrics temporality preference #3915 @martinkuba
  • Adds support for LowMemory temporality preference
  • Adds support for lowmemory in OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE

🐛 (Bug Fix)

• fix(exporter-logs-otlp-http): set useHex to true #3875 @Nico385412
• fix(otlp-proto-exporter-base): add missing type import #3937 @pichlermarc
• fix(example-opencensus-shim): avoid OpenCensus auto instrumentations #3951 @llc1123
• fix(http-intrumentation): prevent request socket null from throwing uncaught error #3858 @aodysseos

🏠 (Internal)

• chore(instrumentation-grpc): Cleanup remnants of grpc-native support. #3886 @llc1123

0.40.0

💥 Breaking Change

• fix(exporter-logs-otlp-grpc): change OTLPLogsExporter to OTLPLogExporter #3819 @fuaiyi
• chore(instrumentation-grpc): add 'grpc' deprecation notice postinstall script #3833 @pichlermarc
  • Support for telemetry generation for the grpc module will be dropped in the next release as the package has been deprecated for over 1 year, please migrate to @grpc/grpc-js to continue receiving telemetry.

🚀 (Enhancement)

• feat(api-logs): support map in log attributes. #3821 @Abinet18
• feat(instrumentation): add ESM support for instrumentation. #3698 @JamieDanielson, @pkanal, @vmarchaud, @lizthegrey, @bengl
• feat(exporter-logs-otlp-http): otlp-http exporter for logs. #3764 @fuaiyi
• feat(otlp-trace-exporters): Add User-Agent header to OTLP trace exporters. #3790 @JamieDanielson
• feat(otlp-metric-exporters): Add User-Agent header to OTLP metric exporters. #3806 @JamieDanielson
• feat(opencensus-shim): add OpenCensus trace shim #3809 @aabmass
• feat(exporter-logs-otlp-proto): protobuf exporter for logs. #3779 @Abinet18

🐛 (Bug Fix)

• fix(sdk-node): use resource interface instead of concrete class #3803 @blumamir
• fix(sdk-logs): remove includeTraceContext configuration and use LogRecord context when available #3817 @hectorhdzg

0.39.1

🐛 (Bug Fix)

• fix(otlp-transformer): move api-logs to dependencies #3798 @pichlermarc

0.39.0

🚀 (Enhancement)

• feat(otlp-transformer): support log records. #3712 @llc1123
• feat(otlp-grpc-exporter-base): support log records. #3712 @llc1123
• feat(exporter-logs-otlp-grpc): otlp-grpc exporter for logs. #3712 @llc1123
• feat(otlp-grpc-exporter-base): use statically generated protobuf code #3705 @pichlermarc
• refactor(otlp-transformer): refine metric transformers. #3770 @llc1123
• feat(api-logs): add ObservedTimestamp to LogRecord. #3787 @llc1123

🐛 (Bug Fix)

• fix(instrumentation): update require-in-the-middle to v7.1.0 #3727 @trentm
• fix(instrumentation): update require-in-the-middle to v7.0.1 #3743 @trentm

📚 (Refine Doc)

• doc(instrumentation): add limitiations section to readme #3786 @flarna

🏠 (Internal)

0.38.0

💥 Breaking Change

• fix: remove HTTP/HTTPS prefix from span name in instrumentation-xml-http-request #3672 @jufab
• fix(sdk-node)!: remove unused defaultAttributes option #3724 @pichlermarc
  • Please use NodeSDKConfiguration.resource instead

🚀 (Enhancement)

• feat(sdk-logs): use logs API 0.38

🐛 (Bug Fix)

• fix(sdk-node): only set DiagConsoleLogger when OTEL_LOG_LEVEL is set #3693 @pichlermarc

0.37.0

💥 Breaking Change

• fix: remove HTTP/HTTPS prefix from span name in instrumentation-xml-http-request #3672 @jufab

🚀 (Enhancement)

• feat(api-logs): 1.LogRecord fields update: traceFlags/traceId/spanId -> context; 2.Logger supports configuring includeTraceContext; 3.The onEmit method of LogRecordProcessor supports the context field. #3549 @fuaiyi
• feat(sdk-logs): logs sdk implementation. #3549 @fuaiyi

0.36.0

💥 Breaking Change

• feat: remove HTTP/HTTPS prefix from span name #3603 @Flarna

🚀 (Enhancement)

• feat: use HTTP_ROUTE in span name #3603 @Flarna
• feat: add HTTP_ROUTE attribute to http incoming metrics if present #3581 @hermogenes
• feat(opentelemetry-instrumentation-grpc): allow to add attributes from grpc metadata in the patched server #3589 @zombispormedio
• feat(sdk-node): install diag logger with OTEL_LOG_LEVEL #3627 @legendecas
• feat(otlp-exporter-base): add retries #3207 @svetlanabrennan
• feat(sdk-node): override IdGenerator when using NodeSDK #3645 @haddasbronfman
• feat(otlp-transformer): expose dropped attributes, events and links counts on the transformed otlp span #3576 @mohitk05

🐛 (Bug Fix)

• fix(prometheus-exporter): add possibility to respond to errors returned by server.listen() #3552 @pichlermarc
• fix(sdk-node): update instrumentations once MeterProvider is initialized #3624 @pichlermarc

0.35.1

🐛 (Bug Fix)

• fix: remove JSON syntax error and regenerate tsconfig files #3566 @Flarna
  • Fixes an error where the generated JS files were not included in the esnext package due to a failure of the tsconfig generation
• fix(sdk-node): register instrumentations early #3502 @flarna
• fix: include tracestate in export #3569 @flarna
• fix(http) Remove outgoing headers normalization #3557 @marcinjahn

0.35.0

🚀 (Enhancement)

• feat(instrumentation-http): monitor error events with events.errorMonitor #3402 @legendecas
• feat(instrumentation-grpc): added grpc metadata client side attributes in instrumentation #3386
• feat(instrumentation): add new _setMeterInstruments protected method that update the meter instruments every meter provider update.
• feat(api-logs): add the SeverityNumber enumeration. #3443 @fuaiyi
• feat(sdk-node): configure no-op sdk with OTEL_SDK_DISABLED environment variable #3485 @RazGvili

🐛 (Bug Fix)

• fix(instrumentation-xhr): http.url attribute should be absolute #3200 @t2t2
• fix(instrumentation-grpc): always set grpc semcov status code attribute with numeric value #3076 @blumamir
• fix(instrumentation): only call onRequire for full matches on core modules with sub-paths #3451 @mhassan1
• fix(instrumentation): add back support for absolute paths via require-in-the-middle #3457 @mhassan1
• fix(prometheus-sanitization): replace repeated _ with a single _ 3470 @samimusallam
• fix(prometheus-serializer): correct string used for NaN #3477 @JacksonWeber
• fix(instrumentation-http): close server span when response finishes #3407 @legendecas
• fix(instrumentation-fetch): make spans resilient to clock drift by using Date.now #3434 @dyladan
• fix(instrumentation-xml-http-request): make spans resilient to clock drift by using Date.now #3434 @dyladan
• fix(sdk-node): fix exporter to be read only OTEL_TRACES_EXPORTER is set to a valid exporter [3492] @svetlanabrennan

🏠 (Internal)

• chore(otlp-proto-exporter-base): upgrade protobufjs to 7.1.2 and relax versioning #3433 @seemk

0.34.0

• @opentelemetry/sdk-metrics moved to packages/sdk-metrics
• @opentelemetry/api-metrics deprecated and merged into api

🚀 (Enhancement)

• feat(metrics-sdk): Add tracing suppresing for Metrics Export #3332 @hectorhdzg
• feat(instrumentation): implement require-in-the-middle singleton #3161 @mhassan1
• feat(sdk-node): configure trace exporter with environment variables #3143 @svetlanabrennan
• feat: enable tree shaking #3329 @pkanal
• feat(prometheus): serialize resource as target_info gauge #3300 @pichlermarc
• feat(detectors): add browser detector module #3292 @abinet18
• deps: remove unused proto-loader dependencies and update grpc-js and proto-loader versions #3337 @seemk
• feat(metrics-exporters): configure temporality via environment variable #3305 @pichlermarc
• feat(console-metric-exporter): add temporality configuration #3387 @pichlermarc

🐛 (Bug Fix)

• fix(node-sdk): move @opentelemetry/semantic-conventions to dependencies #3283 @mhassan1
• fix(exporters): do not append trailing '/' when URL contains path #3274 @pichlermarc
• fix(instrumentation): debug log on no modules defined for instrumentation #3308 @legendecas

📚 (Refine Doc)

• docs(metrics-exporters): fix wrong exporter const name in example #3270 @pichlermarc

🏠 (Internal)

• ci(instrumentation-http): remove got devDependency #3347 @dyladan
• deps(instrumentation-http): move sdk-metrics to dev dependencies #3380 @pichlermarc

0.33.0

💥 Breaking Change

• Add resourceDetectors option to NodeSDK #3210

  • NodeSDK.detectResources() function is no longer able to receive config as a parameter. Instead, the detectors are passed to the constructor.

• chore(metrics-sdk): clean up exports #3197 @pichlermarc

  • removes export for:
    • AccumulationRecord
    • Aggregator
    • AggregatorKind
    • Accumulation
    • createInstrumentDescriptor
    • createInstrumentDescriptorWithView
    • isDescriptorCompatibleWith

• chore(api-metrics): clean up exports #3198 @pichlermarc

  • removes export for:
    • NOOP_COUNTER_METRIC
    • NOOP_HISTOGRAM_METRIC
    • NOOP_METER_PROVIDER
    • NOOP_OBSERVABLE_COUNTER_METRIC
    • NOOP_OBSERVABLE_GAUGE_METRIC
    • NOOP_OBSERVABLE_UP_DOWN_COUNTER_METRIC
    • NOOP_UP_DOWN_COUNTER_METRIC
    • NoopCounterMetric
    • NoopHistogramMetric
    • NoopMeter
    • NoopMeterProvider
    • NoopMetric
    • NoopObservableCounterMetric
    • NoopObservableGaugeMetric
    • NoopObservableMetric
    • NoopObservableUpDownCounterMetric
    • NoopUpDownCounterMetric

• feat(sdk-metrics): align MetricReader with specification and other language implementations #3225 @pichlermarc

• chore(sdk-metrics): remove accidental export of the SDK Meter class #3243 @pichlermarc

🚀 (Enhancement)

• Add resourceDetectors option to NodeSDK #3210
• feat: add Logs API @mkuba #3117

📚 (Refine Doc)

• docs(sdk-metrics): fix typos and add missing parameter docs. #3244 @pichlermarc

🏠 (Internal)

• ci(instrumentation-http): improve metrics test stability #3242 @pichlermarc
• deps: remove unused protobufjs and update used ones to 7.1.1 #3251 #3251 @pichlermarc

0.32.0

💥 Breaking Change

• Rename @opentelemetry/sdk-metrics-base package to @opentelemetry/sdk-metrics #3162 @hectorhdzg

🚀 (Enhancement)

• feature(instrumentation-http): Add HTTP Server and Client duration Metrics in HTTP Node.js Instrumentation #3149 @hectorhdzg
• fix(add-views-to-node-sdk): added the ability to define meter views in NodeSDK #3066 @weyert
• feature(add-console-metrics-exporter): add ConsoleMetricExporter #3120 @weyert
• feature(prometheus-serialiser): export the unit block when unit is set in metric descriptor #3066 @weyert
• feat: support latest @opentelemetry/api #3177 @dyladan
• feat(sdk-metrics-base): add per metric-reader aggregation support #3153 @legendecas
• chore(deps): update prometheus example dependencies to 0.32 #3126 @avzis
• feature(opentelemetry-api-metrics): Adding generics to create{metricType} #3151 @tomerghelber-tm

🐛 (Bug Fix)

• fix(instrumentation-http): add http.host attribute before sending the request #3054 @cuichenli

0.31.0

💥 Breaking Change

• feature(views): move views registration to MeterProvider constructor #3066 @pichlermarc
• feat(sdk-metrics-base): split up Singular into Sum and Gauge in MetricData #3079 @pichlermarc
  • removes DataPointType.SINGULAR, and replaces it with DataPointType.SUM and DataPointType.GAUGE
  • removes SingularMetricData and replaces it with SumMetricData (including an additional isMonotonic flag) and GaugeMetricData
• feat(histogram): align collection of optional Histogram properties with spec #3102 @pichlermarc
  • changes type of sum property on Histogram to number | undefined
  • changes type of min and max properties on Histogram to number | undefined
  • removes hasMinMax flag on the exported Histogram - this is now indicated by min and max being undefined

🚀 (Enhancement)

• feat(metrics-api): use common attributes definitions #3038 @legendecas
• feat(otlp-proto): pre-compile proto files #3098 @legendecas
• feat(opentelemetry-sdk-metrics-base): added InMemoryMetricExporter #3039 @weyert

🐛 (Bug Fix)

• fix(histogram): fix maximum when only values < -1 are provided #3086 @pichlermarc
• fix(instrumentation-grpc): always set grpc semcov status code attribute with numeric value #3076 @blumamir

📚 (Refine Doc)

🏠 (Internal)

0.30.0

💥 Breaking Change

• fix: remove aws and gcp detector from SDK #3024 @flarna
• feat(sdk-metrics-base): implement min/max recording for Histograms #3032 @pichlermarc
  • adds min/max recording to Histograms
  • updates opentelemetry-proto to 0.18 so that min and max can be exported. This change breaks the OTLP/JSON Metric Exporter for all collector versions <0.52 due to open-telemetry/opentelemetry-collector#5312.

🚀 (Enhancement)

• feat(opentelemetry-instrumentation-fetch): optionally ignore network events #3028 @gregolsen
• feat(http-instrumentation): record exceptions in http instrumentation #3008 @luismiramirez
• feat(node-sdk): add serviceName config option #2867 @naseemkullah
• feat(opentelemetry-exporter-prometheus): export PrometheusSerializer #3034 @matschaffer
• feat(sdk-metrics-base): detect resets on async metrics #2990 @legendecas
  • Added monotonicity support in SumAggregator.
  • Added reset and gaps detection for async metric instruments.
  • Fixed the start time and end time of an exported metric with regarding to resets and gaps.

🐛 (Bug Fix)

• fix(otlp-transformer): remove type dependency on Long #3022 @legendecas
• fix(grpc-exporter): use non-normalized URL to determine channel security #3019 @pichlermarc
• fix(otlp-exporter-base): fix gzip output stream in http otlp export #3046 @mattolson
• docs(grpc-exporters): remove 'web' as supported from README.md #3070 @pichlermarc

🏠 (Internal)

• test: add node 18 and remove EoL node versions #3048 @dyladan

0.29.2

• Support for 1.3.1 of stable packages

0.29.1

🐛 (Bug Fix)

• fix(sdk-metrics-base): only record non-negative histogram values #3002 @pichlermarc
• fix(otlp-transformer): include missing prepublishOnly script which ensures esm and esnext build files are created and packaged @dyladan

0.29.0

💥 Breaking Change

• feat(metrics): metric readers and exporters now select aggregation temporality based on instrument type #2902 @seemk
• refactor(metrics-sdk): rename InstrumentationLibrary -> InstrumentationScope #2959 @pichlermarc
• feat(metrics): multi-instrument async callback support #2966 @legendecas
  • changes on meter.createObservableCounter, meter.createObservableGauge, meter.createObservableUpDownCounter
    • removed the second parameter callback
    • returns an Observable object on which callbacks can be registered or unregistered.
  • added meter.addBatchObservableCallback and meter.removeBatchObservableCallback.
• fix: remove attributes from OTLPExporterConfigBase #2991 @flarna

🚀 (Enhancement)

• feat(exporters): update proto version and use otlp-transformer #2929 @pichlermarc
• fix(sdk-metrics-base): misbehaving aggregation temporality selector tolerance #2958 @legendecas
• feat(trace-otlp-grpc): configure security with env vars #2827 @svetlanabrennan
• feat(sdk-metrics-base): async instruments callback timeout #2742 @legendecas

🐛 (Bug Fix)

• fix(opentelemetry-instrumentation-http): use correct origin when port is null #2948 @danielgblanco
• fix(otlp-exporter-base): include esm and esnext in package files #2952 @dyladan
• fix(otlp-http-exporter): update endpoint to match spec #2895 @svetlanabrennan
• fix(instrumentation): only patch core modules if enabled #2993 @santigimeno
• fix(otlp-transformer): include esm and esnext in package files and update README #2992 @pichlermarc
• fix(metrics): specification compliant default metric unit #2983 @andyfleming
• fix(opentelemetry-instrumentation): use all provided patches for the same file #2963 @Ugzuzg

📚 (Refine Doc)

🏠 (Internal)

0.28.0

💥 Breaking Change

• feat(sdk-metrics-base): update metric exporter interfaces #2707 @srikanthccv
• feat(api-metrics): remove observable types #2687 @legendecas
• fix(otlp-http-exporter): remove content length header #2879 @svetlanabrennan
• feat(experimental-packages): Update packages to latest SDK Version. #2871 @pichlermarc
  • removed the -wip suffix from api-metrics and metrics-sdk-base.
  • updated dependencies to stable packages to 1.1.1 for all "experimental" packages.
  • updated Metrics Exporters to the latest Metrics SDK (exporter-metrics-otlp-grpc, exporter-metrics-otlp-http, exporter-metrics-otlp-proto)
  • updated opentelemetry-sdk-node to the latest Metrics SDK.
  • updated otlp-transformer to the latest Metrics SDK.
  • updated all instrumentation-* packages to use local implementations of parseUrl() due to #2884
• refactor(otlp-exporters) move base classes and associated types into their own packages #2893 @pichlermarc
  • otlp-exporter-base => OTLPExporterBase, OTLPExporterBrowserBase, OTLPExporterNodeBase
  • otlp-grpc-exporter-base => OTLPGRPCExporterNodeBase
  • otlp-proto-exporter-base => OTLPProtoExporterNodeBase

🚀 (Enhancement)

• feat: spec compliant metric creation and sync instruments #2588 @dyladan
• feat(api-metrics): async instruments spec compliance #2569 @legendecas
• feat(sdk-metrics-base): add ValueType support for sync instruments #2776 @legendecas
• feat(sdk-metrics-base): implement async instruments support #2686 @legendecas
• feat(sdk-metrics-base): meter registration #2666 @legendecas
• feat(sdk-metrics-base): bootstrap metrics exemplars #2641 @srikanthccv
• feat(metrics-sdk): bootstrap aggregation support #2634 @legendecas
• feat(metrics-sdk): bootstrap views api #2625 @legendecas
• feat(sdk-metrics): bootstrap metric streams #2636 @legendecas
• feat(views): add FilteringAttributesProcessor #2733 @pichlermarc
• feat(metric-reader): add metric-reader #2681 @pichlermarc
• feat(sdk-metrics-base): document and export basic APIs #2725 @legendecas
• feat(views): Update addView() to disallow named views that select more than one instrument. #2820 @pichlermarc
• feat(sdk-metrics-base): update exporting names #2829 @legendecas
• Add grpc compression to trace-otlp-grpc exporter #2813 @svetlanabrennan
• refactor: unifying shutdown once with BindOnceFuture #2695 @legendecas
• feat(prometheus): update prometheus exporter with wip metrics sdk #2824 @legendecas
• feat(instrumentation-xhr): add applyCustomAttributesOnSpan hook #2134 @mhennoch
• feat(proto): add @opentelemetry/otlp-transformer package with hand-rolled transformation #2746 @dyladan
• feat(sdk-metrics-base): shutdown and forceflush on MeterProvider #2890 @legendecas
• feat(sdk-metrics-base): return the same meter for identical input to getMeter #2901 @legendecas
• feat(otlp-exporter): add OTEL_EXPORTER_OTLP_TIMEOUT env var to otlp exporters #2738 @svetlanabrennan
• feat(sdk-metrics-base): hoist async instrument callback invocations #2822 @legendecas

🐛 (Bug Fix)

• fix(sdk-metrics-base): remove aggregator.toMetricData dependency on AggregationTemporality #2676 @legendecas
• fix(sdk-metrics-base): coerce histogram boundaries to be implicit Infinity #2859 @legendecas
• fix(instrumentation-http): HTTP 400 status code should not set span status to error on servers #2789 @nordfjord

📚 (Refine Doc)

• Update metrics example #2658 @svetlanabrennan
• docs(api-metrics): add notes on ObservableResult.observe #2712 @legendecas

🏠 (Internal)

• chore: move trace exporters back to experimental #2835 @dyladan
• refactor(sdk-metrics-base): meter shared states #2821 @legendecas

v0.27.0

💥 Breaking Change

• #2566 feat!(metrics): remove batch observer (@dyladan)
• #2485 feat!: Split metric and trace exporters into new experimental packages (@willarmiros)
• #2540 fix(sdk-metrics-base): remove metric kind BATCH_OBSERVER (@legendecas)
• #2496 feat(api-metrics): rename metric instruments to match feature-freeze API specification (@legendecas)

🚀 (Enhancement)

• #2523 feat: Rename Labels to Attributes (@pirgeo)
• #2559 feat(api-metrics): remove bind/unbind and bound instruments (@legendecas)
• #2563 feat(sdk-metrics-base): remove per-meter config on MeterProvider.getMeter (@legendecas)

🐛 (Bug Fix)

• #2610 fix: preventing double enable for instrumentation that has been already enabled (@obecny)
• #2581 feat: lazy initialization of the gzip stream (@fungiboletus)
• #2584 fix: fixing compatibility versions for detectors (@obecny)
• #2558 fix(@opentelemetry/exporter-prometheus): unref prometheus server to prevent process running indefinitely (@mothershipper)
• #2495 fix(sdk-metrics-base): metrics name should be in the max length of 63 (@legendecas)
• #2497 feat(@opentelemetry-instrumentation-fetch): support reading response body from the hook applyCustomAttributesOnSpan (@echoontheway)

📚 (Refine Doc)

• #2561 Use new canonical path to Getting Started (@chalin)
• #2576 docs(instrumentation): update links in the Readme (@OlivierAlbertini)
• #2600 docs: fix URLs in README post-experimental move (@arbourd)
• #2579 doc: Move upgrade propagator notes to correct section (@NathanielRN)
• #2568 chore(doc): update matrix with contrib version for 1.0 core (@vmarchaud)
• #2555 docs: expose existing comments (@moander)
• #2493 chore: remove getting started and link to documentation. (@svrnm)

🏠 (Internal)

• #2404 chore: Fix lint warnings in instrumentation package (@alisabzevari)
• #2533 chore: regularly close stale issues (@Rauno56)
• #2570 chore: adding selenium tests with browserstack (@obecny)
• #2522 chore: cleanup setting config in instrumentations (@Flarna)
• #2541 chore: slim font size for section title in PR template (@legendecas)
• #2509 chore: expand pull request template with action items (@pragmaticivan)
• #2488 chore: inline sources in source maps (@dyladan)
• #2514 chore: update stable dependencies to 1.0 (@dyladan)

Previous releases

For changelog entries for previous releases see the CHANGELOG.md.