API

Common

• Improve GraalVM native image compatibility (#7160)

Traces

• Fix TraceState key validation limits to match W3C specification (#7575)

Incubator

• Add ExtendedOpenTelemetry API (#7496)
• Add incubator implementation of composite sampling specification (#7626)

SDK

Traces

• Proactively avoid Unsafe on Java 23+ to avoid triggering JVM warning message (#7691)

Metrics

• Add setMeterConfigurator() support to MeterProvider (incubating API) (#7346)

Exporters

• OTLP: Configure metric exporter to use SDK's MeterProvider for internal metrics (#7541)
• OTLP: Suppress logging of InterruptedException from managed OkHttp threads (#7565)
• OTLP: Update dependency from okhttp-jvm back to okhttp for Gradle users, preserving okhttp-jvm for Maven users (#7681)
• Prometheus: Remove separate otel_scope_info metric and always add scope labels to data points (#7398)
• Prometheus: Update exporter dependencies to use protobuf-free formats (#7664)

Profiling

• Update profiles exporter to support proto v1.8.0-alpha changes (#7638)
• Add abstractions to assist with dictionary table assembly (#7717)
• Add abstractions to assist with sample composition (#7727)

Extensions

• Autoconfigure: Improve exception logging when running in Maven (#7336)
• Declarative configuration: Return Resource (#7639)
• Declarative configuration: Invoke auto-configure listeners (#7654)
• Declarative configuration: Add logging when incompatible types are found (#7693)

Shims

OpenTracing Shim

• Improve log levels in error scenarios (#6832)

Project tooling

• Respect testJavaVersion property when running JMH benchmarks (#7697)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@50c
@anuraaga
@anuragagarwal561994
@ArthurSens
@bidetofevil
@breedx-splk
@brendenehlers
@cbruegg
@cyrille-leclerc
@ericdallo
@fandreuz
@greatvovan
@iNikem
@jack-berg
@jaydeluca
@jeanbisutti
@jhalliday
@jkwatson
@laurit
@LikeTheSalad
@maryliag
@PeterF778
@priettt
@robsunday
@trask
@vidyadharamurthy
@zeitlinger

This is a patch release on the previous 1.54.0 release, fixing the issue(s) below.

SDK

Exporters

• Prometheus: Fix regression in protobuf format export (#7664)

API

Baggage

• Fix guard against ArrayIndexOutOfBoundsException in BaggageCodec (#7239)

SDK

Metrics

• Fix MetricData.getDoubleSumData() ClassCastException with custom implementations (#7597)

Exporters

• Fix HttpExporterBuilder.copy() and GrpcExporterBuilder.copy() to preserve component loader (#7596)

Extensions

• Autoconfigure: Remove support for old EnvironmentResourceProvider package name (#7622)
• Declarative config: Add DeclarativeConfigurationProvider SPI (#7472)
• Declarative config: Pass meter provider to avoid using the global OpenTelemetry instance (#7475)

Project tooling

• Update to Gradle v9 (#7590)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@anuraaga
@breedx-splk
@chengchen
@halasz-csaba
@jack-berg
@jaydeluca
@jkwatson
@laurit
@opentelemetrybot
@rlacksgus97
@robsunday
@trask
@xiangtianyu
@zeitlinger

SDK

• File based config will log the wrong file format, when applicable. (#7498)

Exporters

• Change okhttp dependency to okhttp-jvm, which fixes missing class failures in transitive dependencies. (#7517)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk
@jack-berg
@jaydeluca
@jkwatson
@laurit
@steffan-westcott
@the-clam
@trask
@zeitlinger

API

Common

• Promote ComponentLoader to new opentelemetry-common artifact, standardize SPI loading (#7446)

Context

• LazyStorage passes its ClassLoader when loading ContextStorageProvider SPI (#7424)

Incubator

• Add context and severity params to ExtendedLogger#isEnabled (#7268)
• Add new convenience methods for converting DeclarativeConfigProperties to config model (#7453)

SDK

• Add custom stacktrace renderer which is length limit aware (#7281)

Metrics

• Propagate flush to PeriodicMetricReader's metricExporter. (#7410)

Exporters

• OTLP - JdkHttpSender: ensure proper closure of HttpClient in shutdown method (#7390)
• OTLP: profile exporters fix and test improvements (#7442)
• OTLP: Loading Compressor SPI via ComponentLoader configured through setComponentLoader (#7428)
• Prometheus: add scope schema URL and attributes (#7356)
• Prometheus: extend prometheus declarative config support to include without_scope_info, with_resource_constant_labels (#6840)

Extensions

• Autoconfigure: fix race condition of GlobalOpenTelemetry initialization with AutoConfiguredOpenTelemetrySdkBuilder (#7365)
• Declarative config: update to declarative config 1.0-rc.1 (#7436)
• Declarative config: resolve environment variable substitution for mixed quotes (#7433)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@anuraaga
@ArthurSens
@atoulme
@breedx-splk
@dol
@fandreuz
@felixbarny
@github-advanced-security
@indigophox
@jack-berg
@jhalliday
@jkwatson
@JonasKunz
@jsuereth
@laurit
@mznet
@nchen000
@opentelemetrybot
@pellared
@robsunday
@trask
@tylerbenson
@vasantteja
@zeitlinger

API

Context

• Fix context storage provider property name in log message (#7342)

SDK

• Experimental configurable exception.* attribute resolution for SdkTracerProvider, SdkLoggerProvider (#7266)

Exporters

• All exporters: implement new SemConv exporter health metrics, with configuration API for selecting schema version (#7265)
• OTLP: Add gRPC export for profiles signal type. (#7301)
• OTLP: Run JDK HTTP sender on non-daemon threads. (#7322)
• Prometheus: fix serialization of arrays (#7291)
• OTLP: exporter tolerates instances of LogRecordData when incubator is present (#7393)

Extensions

• Declarative config: Handle instrumentation node changes in yaml config file format 0.4 (#7357)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@alex-kormukhin
@breedx-splk
@fandreuz
@HaloFour
@jack-berg
@jhalliday
@jkwatson
@JonasKunz
@kevinburkesegment
@LaurentTreguier
@LikeTheSalad
@onurkybsi
@opentelemetrybot
@robsunday
@SoftlySplinter
@trask
@zeitlinger

API

• Clarify that AttributesBuilder.put allows nulls (#7271)
• Stabilize log record event name (#7277)

Context

• Fix duplicated ExecutorService wrap (#7245)
• Promote getAll to TextMapGetter stable API (#7267)

Incubator

• Add ExtendedLogRecordBuilder#setException (#7182)
• Add experimental support for log extended attributes (#7123)

SDK

• Remove Java9VersionSpecific clock implementation (#7221)
• Add addProcessorFirst to SdkTracerProviderBuilder, SdkLoggerProviderBuilder (#7243)

Logs

• Add setLoggerConfigurator support to LoggerProvider (#7332)

Metrics

• Add DelegatingMetricData (#7229)
• Spatial aggregation for async instruments with filtering views (#7264)

Exporters

• Prometheus: Add Authenticator support for PrometheusHttpServer (#7225)
• OTLP: Fix OTLP metric exporter toBuilder() loosing temporality (#7280)
• OTLP: Allow Otlp*MetricExporter's to publish export stats (#7255)

Extensions

• Declarative config: Add support for escaping env var substitution (#7033)
• Declarative config: update to opentelemetry-configuration 0.4 (#7064)
• Declarativeconfig: Refactor internals to add DeclarativeConfigContext (#7293)

Project tooling

• Kotlin extension: Update min kotlin version to 1.8 (#7155)
• Add javadoc site crawler (#7300, #7316)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@anuraaga
@asafm
@breedx-splk
@Emily-Jiang
@fandreuz
@gavarava
@iNikem
@jack-berg
@jaydeluca
@jkwatson
@JonasKunz
@laurit
@LikeTheSalad
@onurkybsi
@opentelemetrybot
@ShadabGentle
@SoftlySplinter
@trask
@tsloughter
@tylerbenson
@vasantteja
@zeitlinger

SDK

Trace

• Avoid linear queue.size() calls in span producers by storing queue size separately (#7141)

Exporters

• OTLP: Add support for setting exporter executor service (#7152)
• OTLP: Refine delay jitter for exponential backoff (#7206)

Extensions

• Autoconfigure: Remove support for otel.experimental.exporter.otlp.retry.enabled (#7200)
• Autoconfigure: Add stable cardinality limit property otel.java.metrics.cardinality.limit (#7199)
• Incubator: Add declarative config model customizer SPI (#7118)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk
@jack-berg
@jkwatson
@laurit
@MrAlias
@raipc
@stevesea
@trask
@vbedrosova
@YuriyHolinko
@zeitlinger

API

• Add some helpful logging attribute methods to LogRecordBuilder (#7089)

Incubator

• Introduce ConfigProvider API. Rename StructuredConfigProperties to DeclarativeConfigProperties and move to opentelemetry-api-incubator. Rename FileConfiguration to DeclarativeConfiguration. (#6549)

SDK

• Log warning and adjust when BatchLogRecordProcessor, BatchSpanProcessor maxExportBatchSize exceeds maxQueueSize. (#7045, #7148)
• Fix bug causing ThrottlingLogger to log more than once per minute (#7156)

Metrics

• Remove obsolete SdkMeterProviderUtil#setCardinalitylimit API (#7169)

Traces

• Fix bug preventing accurate reporting of span event dropped attribute count (#7142)

Exporters

• OTLP: remove support for otel.java.experimental.exporter.memory_mode which was previously replaced by otel.java.exporter.memory_mode (#7127)
• OTLP: Extract sender parameters to config carrier class (incubating API) (#7151)
• OTLP: Add support for setting OTLP exporter service class loader (#7150)

Tooling

• Update android animalsniffer min API version to 23 (#7153)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk
@brunobat
@chukunx
@codefromthecrypt
@devilcoolyue
@geoand
@github-advanced-security
@jack-berg
@jaydeluca
@jeanbisutti
@jkwatson
@joffrey-bion
@laurit
@LikeTheSalad
@naumaan123
@pbalint
@step-security-bot
@tealamore
@tongshushan
@trask
@zeitlinger

API

Incubator

• Make ExtendedTracer easier to use (#6943)
• Add ExtendedLogRecordBuilder#setEventName and corresponding SDK and OTLP serialization (#7012)
• BREAKING: Drop event API / SDK (#7053)

SDK

• Remove -alpha artifacts from runtime classpath of stable components (#6944)

Traces

• Bugfix: Follow spec on span limits, batch processors (#7030)
• Add experimental SdkTracerProvider.setScopeConfigurator(ScopeConfigurator) for updating TracerConfig at runtime (#7021)

Profiles

• Add AttributeKeyValue abstraction to common otlp exporters (#7026)
• Improve profiles attribute table handling (#7031)

Exporters

• Interpret timeout zero value as no limit (#7023)
• Bugfix - OTLP: Fix concurrent span reusable data marshaler (#7041)
• OTLP: Add ability to customize retry exception predicate (#6991)
• OTLP: Expand default OkHttp sender retry exception predicate (#7047, #7057)

Extensions

• Autoconfigure: Consistent application of exporter customizers when otel.{signal}.exporter=none (#7017)
• Autoconfigure: Promote EnvironmentResourceProvider to public API (#7052)
• Autoconfigure: Ensure OTEL_PROPAGATORS still works when OTEL_SDK_DISABLED=true. (#7062)%

Testing

• Add W3CBaggagePropagator to OpenTelemetryRule, OpenTelemetryExtension. (#7056)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk
@edeweerd1A
@jack-berg
@jackshirazi
@jhalliday
@jkwatson
@Mahoney
@mikeblum
@onurkybsi
@trask
@YuriyHolinko
@zeitlinger