1.18.0

:rocket: (Enhancement)

• feat(metrics): prototype experimental advice support #3876 @legendecas

:bug: (Bug Fix)

• fix(core): remove re-export of version.ts #4225 @david-luna

:house: (Internal)

• chore: track package-lock.json #4238 @legendecas
  • Switched to npm workspaces to bootstrap dependencies.

1.17.1

:bug: (Bug Fix)

• fix(sdk-trace-base): BatchSpanProcessor flushes when maxExportBatchSize is reached #3958 @nordfjord
• fix(sdk-metrics): allow instrument names to contain '/' #4155
• fix(sdk-metrics): prevent per-reader storages from keeping unreported accumulations in memory #4163 @pichlermarc
  • fixes a memory leak which occurred when two or more MetricReader instances are registered to a MeterProvider
• fix(sdk-metrics): do not report empty scopes and metrics #4135 @pichlermarc
  • Instruments that were created, but did not have measurements will not be exported anymore
  • Meters (Scopes) that were created, but did not have any instruments with measurements under them will not be exported anymore.
• fix(exporter-zipkin): round duration to the nearest int in annotations to be compliant with zipkin protocol #4167 @FelipeEmerim

:books: (Refine Doc)

• docs(contributing): added guidelines for adding benchmark tests #4169

:house: (Internal)

• test: added a performance benchmark test for span creation #4105
• test: added a workflow to run performance benchmark tests automatically #4144

1.17.0

:bug: (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 SDK packages to allow API 1.6.0, where this change has been reverted.

1.16.0

:rocket: (Enhancement)

• feat(sdk-metrics): implement MetricProducer specification #4007
• feat: update PeriodicExportingMetricReader and PrometheusExporter to accept optional metric producers #4077 @aabmass

:bug: (Bug Fix)

• fix(exporter-zipkin): rounding duration to the nearest int to be compliant with zipkin protocol #4064 @n0cloud
• fix(sdk-metrics): metric names should be case-insensitive

:books: (Refine Doc)

• docs(guidelines): add dependencies guidelines #4040

1.15.2

:bug: (Bug Fix)

• fix(core): stop rounding to nearest int in hrTimeTo*seconds() functions #4014 @aabmass
• fix(sdk-metrics): ignore invalid metric values #3988 @legendecas
• fix(core): add baggage support for values containing an equals sign #3975 @krosenk729

1.15.1

:bug: (Bug Fix)

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

1.15.0

:bug: (Bug Fix)

• fix(opentelemetry-exporter-prometheus): Update default PrometheusExporter to not append a timestamp to match the text based exposition format #3961 @JacksonWeber
• fix(sdk-metrics): Update default Histogram's boundary to match OTEL's spec #3893 @chigia001
• fix(sdk-metrics): preserve startTime for cumulative ExponentialHistograms #3934 @aabmass
• fix(sdk-trace-web): add secureConnectionStart to https only #3879 @Abinet18

:house: (Internal)

• feat(minification): [Minification] Add noEmitHelpers, importHelpers and tslib as a dependency #3913 @MSNev

1.14.0

:rocket: (Enhancement)

• feat(SpanExporter): Add optional forceFlush to SpanExporter interface #3753 @sgracias1 @JacksonWeber

1.13.0

:rocket: (Enhancement)

• feat(core): add environment variables for OTLP log exporters. #3712 @llc1123

:bug: (Bug Fix)

• fix(http-instrumentation): stop listening to request's close event once it has emitted response #3625 @SimenB
• fix(sdk-node): fix initialization in bundled environments by not loading @opentelemetry/exporter-jaeger #3739 @pichlermarc

1.12.0

:rocket: (Enhancement)

• feat(tracing): log span name and IDs when span end is called multiple times #3716
• feat(core): add logs environment variables; add timeout utils method. #3549 @fuaiyi

:bug: (Bug Fix)

• fix(instrumentation-http): fixed description for http.server.duration metric #3710
• fix(opentelemetry-sdk-trace-web): don't crash in runtimes where location isn't defined #3715