1.10.0

Micrometer 1.10.0 is the GA version of a new feature release. See our support policy for support timelines. Below are the combined release notes of all the pre-release milestones and release candidate preceding it.

⚠️ Noteworthy

• Check out the new Observation API (see the Migration Guide)
• If you are upgrading from one of the pre-release versions, check the 1.10 Migration Guide
• ReactorNettySender has been removed #2802

⭐ New Features / Enhancements

• Add gRPC authority info to the observation context #3510
• Add "get[Low|High]CardinalityKeyValue()" on "Observation.Context" #3505
• Verify sender propagation for HTTP client instrumentation #3504
• Add support for creating KeyValues from any iterable #3503
• Added remoteServiceAddress for Sender / Receiver contexts #3500
• Provide a default for missing values in KeyValue #3458
• Allow documenting optional keys #3454
• Add wrap functionality to the Observation #3433
• Add Observation instrumentation for gRPC client and server #3427
• Add TestObservationRegistryAssert assertion for observation count #3426
• Make observation return its context and immutable access to parent #3423
• ReceiverContext was missing a remoteServiceName #3419
• Handle IO_ERROR for Apache HTTP client with observation API #3418
• Tck with observations #3410
• Set size and characteristics for Spliterator used with Tags and KeyValues #3409
• Test against ObservationDocumentation in instrumentation TCK #3372
• Add benchmarks for the Observation API #3370
• Support for Jetty 11 #3234
• Add "createNotStarted" method that lazily creates context #3401
• Context allows modification of KeyValues #3383
• Cloudwatch max batchSize was increased from 20 to 1000 #3376
• Events in DocumentedObservation #3367
• signalfx: remove unnecessary allocation if the distribution summary does not have histogram #3364
• Remote service name for sender context #3363
• Common ResponseContext interface for interacting with the response #3362
• JDK11 HttpClient instrumentation #3358
• Abstraction for instrumentating with a Timer or Observation (optionally) #3357
• [signalfxregistry]: Add option to send delta histogram count buckets. #3350
• Apache HTTP client instrumentation with Observation #3312
• Generify throwable in CheckedCallable/CheckedRunnable #3326
• Scoped checked actions #3323
• ObservationContextAssert now asserts ContextView, add parentObservation assertions #3304
• Add ObservationRegistry hasRemainingCurrentScope and similar assertions #3303
• Add getContextualName(Context c) on Observation.Convention #3301
• Receiver and SenderContext #3293
• Added option to set a parent Observation on an existing Observation #3291
• Introduces GlobalObservationConvention #3285
• Declare HdrHistogram as a runtime dependency #3263
• Observe instantaneous events #3100
• Add primitive Suppliers to Timer and LongTaskTimer #1304
• Add assertions for multiple handled test contexts #3274
• Added the ObservationConventionAware interface #3270
• Add ObservationContextAssert error assertions #3267
• Improved keys assertions in ObservationContextAssert #3266
• Further improvement of observation convention #3261
• Added support for Kotlin co-routines #3256
• New approach to naming conventions #3255
• Add KeyValues to the Observation #3244
• @Observed #3221
• Add a LongTaskTimer for every Observation in TimerObservationHandler #3215
• Add DynatraceConfig.DEFAULT #3202
• OkHttp3 instrumentation with observation api #3176
• Support for different metric prefixes in StackdriverMeterRegistry #3171
• Unable to load MacOSDnsServerAddressStreamProvider on Apple Silicon with statsd meter registries #3066
• Add HighCardinalityTagsDetector #3047
• Http client instrumentation TCK #3258
• Added the getCurrentObservationScope method #3158
• Config for OTLP Resource attributes #3159
• Dynatrace registry: Print ignored config warning only when necessary #3155
• Dynatrace registry: Truncate log output #3148
• Use more generic KeyValue terminology in Observation and Common module #3126
• NOOP Observation should be created when no handlers are registered #3105
• MeterRegistryAssert provides checks for all type of meters #3104
• Add MongoCommandStartedEventTags for Mongodb metrics #3069
• Make _source.enabled configurable for ElasticMeterRegistry #2363 This enhancement did not end up in the released version; follow #1629 for it being released in a future version.
• Added Global Tags Provider #3061
• Add observeChecked methods to observe methods that can throw exceptions #3052
• Merge micrometer-binder changes and revert micrometer-api changes #3046
• Add observe method to the Observation for Runnable and Supplier #3040
• Observation text publisher #3034
• Iterable<Tag> vs Iterable<? extends Tag> #2092
• Add base units for ForkJoinPool #1525
• Convert a BiPredicate for ObservationConfig to a dedicated interface #3003
• New Observation concept; revert Timer.Sample changes #2992
• Introduce HttpTag...

1.10.0-RC1

⭐ New Features / Enhancements

• Provide a default for missing values in KeyValue #3458
• Allow documenting optional keys #3454
• Add wrap functionality to the Observation #3433
• Add Observation instrumentation for gRPC client and server #3427
• Add TestObservationRegistryAssert assertion for observation count #3426
• Make observation return its context and immutable access to parent #3423
• ReceiverContext was missing a remoteServiceName #3419
• Handle IO_ERROR for Apache HTTP client with observation API #3418
• Tck with observations #3410
• Set size and characteristics for Spliterator used with Tags and KeyValues #3409
• Test against ObservationDocumentation in instrumentation TCK #3372
• Add benchmarks for the Observation API #3370
• Support for Jetty 11 #3234

🐞 Bug Fixes

• New Relic module fails on the module path #3412

🔨 Dependency Upgrades

• Upgrade context-propagation to 1.0.0-RC1 for 1.10.0-RC1 #3477
• Upgrade Spotless plugin to 6.11.0 #3475
• Upgrade to me.champeau.mrjar 0.1.1 #3422
• Upgrade Dropwizard Metrics to 4.2.12 #3474
• Upgrade spectator (atlas) to 1.3.8 #3473
• Upgrade Spring Boot to 2.7.4 #3472
• Upgrade Spring Boot to 2.6.12 #3471
• Upgrade testcontainers to 1.17.5 #3470
• Upgrade junit 5.9.1, assertj to 3.23.1, mockito to 4.8.0, archunit to 1.0.0 #3469
• Upgrade wavefront-sdk-java to 3.0.3 #3467
• Upgrade signalfx-java to 1.0.24 #3466
• Upgrade AWS SDK to 1.12.318 and 2.17.289 #3465
• Upgrade netty to 4.1.81 reactor-netty to 1.0.23 and reactor to 3.4.23 #3464
• Upgrade gradle-download-task plugin to 5.2.1 #3463
• Upgrade nebula-release-plugin to 16.1.0 #3462
• Upgrade Spring Java Format dependencies to 0.0.35 #3459
• Properly pin gradle-info-plugin to 11.4.1 #3441

📝 Tasks

• Disable downloadBaseline task for micrometer-jetty11 #3481
• Generate dependency lock files for 1.10.0-RC1 #3476
• Bump to a medium+ resource class for CI builds #3455
• Exclude buildscript-gradle.lockfile in deleteLockFiles task #3445
• Update samples to use Spring Boot 2.7.4 #3434
• Rename DocumentedObservation to ObservationDocumentation #3430
• Test SLFJ4 2.0 compatibility #3415
• Update OtlpMeterRegistryTest to run builds on Java 19 #3431
• Pin wiremock-jre8-standalone to 2.33.+ for 1.8.x and 1.9.x #3468
• Reduce flakiness of StatsdMeterRegistryPublishTest #3447
• Update TagsTest to run builds on Java 19 #3437
• Upgrade to JApicmp Gradle Plugin 0.4.1 #3435
• Support message supplier in WarnThenDebugLogger #3424
• Ignore METHOD_NEW_DEFAULT binary compatibility #3181

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye
• @ttddyy
• @kilink

1.9.5

🐞 Bug Fixes

• New Relic module fails on the module path #3412

🔨 Dependency Upgrades

• Upgrade Dropwizard Metrics to 4.2.12 #3474
• Upgrade spectator (atlas) to 1.3.8 #3473
• Upgrade Spring Boot to 2.7.4 #3472
• Upgrade Spring Boot to 2.6.12 #3471
• Upgrade testcontainers to 1.17.5 #3470
• Upgrade junit 5.9.1, assertj to 3.23.1, mockito to 4.8.0, archunit to 1.0.0 #3469
• Upgrade wavefront-sdk-java to 3.0.3 #3467
• Upgrade signalfx-java to 1.0.24 #3466
• Upgrade AWS SDK to 1.12.318 and 2.17.289 #3465
• Upgrade netty to 4.1.81 reactor-netty to 1.0.23 and reactor to 3.4.23 #3464
• Upgrade gradle-download-task plugin to 5.2.1 #3463
• Upgrade nebula-release-plugin to 16.1.0 #3462
• Upgrade Spring Java Format dependencies to 0.0.35 #3459
• Properly pin gradle-info-plugin to 11.4.1 #3441

📝 Tasks

• Update OtlpMeterRegistryTest to run builds on Java 19 #3431
• Pin wiremock-jre8-standalone to 2.33.+ for 1.8.x and 1.9.x #3468
• Reduce flakiness of StatsdMeterRegistryPublishTest #3447
• Update TagsTest to run builds on Java 19 #3437
• Upgrade to JApicmp Gradle Plugin 0.4.1 #3435
• Support message supplier in WarnThenDebugLogger #3424
• Ignore METHOD_NEW_DEFAULT binary compatibility #3181

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye

1.8.11

🐞 Bug Fixes

• New Relic module fails on the module path #3412

🔨 Dependency Upgrades

• Upgrade Spring Boot to 2.6.12 #3471
• Upgrade testcontainers to 1.17.5 #3470
• Upgrade junit 5.9.1, assertj to 3.23.1, mockito to 4.8.0, archunit to 1.0.0 #3469
• Upgrade wavefront-sdk-java to 3.0.3 #3467
• Upgrade signalfx-java to 1.0.24 #3466
• Upgrade AWS SDK to 1.12.318 and 2.17.289 #3465
• Upgrade netty to 4.1.81 reactor-netty to 1.0.23 and reactor to 3.4.23 #3464
• Upgrade gradle-download-task plugin to 5.2.1 #3463
• Upgrade nebula-release-plugin to 16.1.0 #3462
• Upgrade Spring Java Format dependencies to 0.0.35 #3459
• Properly pin gradle-info-plugin to 11.4.1 #3441

📝 Tasks

• Pin wiremock-jre8-standalone to 2.33.+ for 1.8.x and 1.9.x #3468
• Reduce flakiness of StatsdMeterRegistryPublishTest #3447
• Update TagsTest to run builds on Java 19 #3437
• Upgrade to JApicmp Gradle Plugin 0.4.1 #3435
• Support message supplier in WarnThenDebugLogger #3424
• Ignore METHOD_NEW_DEFAULT binary compatibility #3181

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye
• @andrew-krasny

1.10.0-M6

🐞 Bug Fixes

• 'java.lang.module.FindException: Unable to derive module descriptor' when using module path with micrometer-core 1.10.0-M5 #3398
• New Relic module fails on the module path #3412

1.10.0-M5

⭐ New Features

• Add "createNotStarted" method that lazily creates context #3401
• Context allows modification of KeyValues #3383
• Cloudwatch max batchSize was increased from 20 to 1000 #3376
• Events in DocumentedObservation #3367
• signalfx: remove unnecessary allocation if the distribution summary does not have histogram #3364
• Remote service name for sender context #3363
• Common ResponseContext interface for interacting with the response #3362
• JDK11 HttpClient instrumentation #3358
• Abstraction for instrumentating with a Timer or Observation (optionally) #3357
• [signalfxregistry]: Add option to send delta histogram count buckets. #3350
• Apache HTTP client instrumentation with Observation #3312

🐞 Bug Fixes

• signalfx: add tests for emiting percentile and histograms, fix timer #3369

🔨 Dependency Upgrades

• Upgrade to Spotless Gradle Plugin 6.10.0 #3397
• Use 5.9.+ for JUnit BOM #3356

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye
• @ttddyy
• @bogdandrutu

1.9.4

⭐ New Features

• HTTP server instrumentation TCK #3379

🐞 Bug Fixes

• system.cpu.usage missing with OpenJ9 0.33.0 #3349
• Uri tag replaced with REDIRECTION on all HTTP redirect responses with Jersey server #3327

🔨 Dependency Upgrades

• Upgrade to signalfx-java 1.0.23 #3407
• Upgrade to aws-java-sdk-cloudwatch 1.12.300 and software.amazon.awssdk:cloudwatch 2.17.271 #3406
• Upgrade to Reactor 2020.0.22 and netty 4.1.81 #3405
• Upgrade to Test Retry Gradle Plugin 1.4.1 #3380
• Bump com.gradle.enterprise from 3.10.3 to 3.11.1 #3353

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye

1.8.10

⭐ New Features

• HTTP server instrumentation TCK #3379

🐞 Bug Fixes

• system.cpu.usage missing with OpenJ9 0.33.0 #3349
• Uri tag replaced with REDIRECTION on all HTTP redirect responses with Jersey server #3327

🔨 Dependency Upgrades

• Upgrade to signalfx-java 1.0.23 #3407
• Upgrade to aws-java-sdk-cloudwatch 1.12.300 and software.amazon.awssdk:cloudwatch 2.17.271 #3406
• Upgrade to Reactor 2020.0.22 and netty 4.1.81 #3405
• Upgrade to Test Retry Gradle Plugin 1.4.1 #3380
• Bump com.gradle.enterprise from 3.10.3 to 3.11.1 #3353

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye

1.10.0-M4

⭐ New Features

• Generify throwable in CheckedCallable/CheckedRunnable #3326
• Scoped checked actions #3323
• ObservationContextAssert now asserts ContextView, add parentObservation assertions #3304
• Add ObservationRegistry hasRemainingCurrentScope and similar assertions #3303
• Add getContextualName(Context c) on Observation.Convention #3301
• Receiver and SenderContext #3293
• Added option to set a parent Observation on an existing Observation #3291
• Introduces GlobalObservationConvention #3285
• Declare HdrHistogram as a runtime dependency #3263
• Observe instantaneous events #3100
• Add primitive Suppliers to Timer and LongTaskTimer #1304

🐞 Bug Fixes

• DocumentedObservation may always override contextual name to null #3307

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye, @bclozel, @simonbasle

1.9.3

⭐ New Features

• Make descriptions static for cache metrics #3321
• Avoid allocation of iterator with Tags#empty instance #3313

🐞 Bug Fixes

• HttpClientTimingInstrumentationVerificationTests cannot be implemented #3308
• ClassNotFoundException is thrown in a non-Spring Boot application when excluding LatencyUtils #3287
• Return value of LongTaskTimer#record and recordCallable is not marked Nullable #3284

🔨 Dependency Upgrades

• Upgrade to io.dropwizard.metrics:metrics-graphite 4.2.11 #3340
• Backport unpinning of de.flapdoodle.embed.mongo version #3339
• Upgrade to netty 4.1.79, reactor-bom 2020.0.21 #3338
• Upgrade to signalfx-java 1.0.21 #3337
• Upgrade to io.dropwizard.metrics:metrics-graphite 4.1.33 #3336
• Upgrade to aws-java-sdk-cloudwatch 1.12.276 and software.amazon.awssdk:cloudwatch:2.17.247 #3335
• Upgrade to Gradle Wrapper 7.5.1 #3334
• Upgrade io.spring.ge.conventions to 0.0.11 #3289

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye, @bogdandrutu