1.16.0-M3

⭐ New Features

• Add counter for total loaded classes #3561
• Add eventexecutor.workers metrics for Netty #6375
• Avoid DistributionStatisticsConfig creation when retrieving timers #6661
• Avoid capturing lambda allocation when retrieving existing meters #6670
• Introduce MeterConvention #6710
• OpenTelemetry Semantic Conventions for JVM metrics #5286

🔨 Dependency Upgrades

• Bump com.google.auth:google-auth-library-oauth2-http from 1.37.1 to 1.39.0 #6701
• Bump com.google.cloud:google-cloud-monitoring from 3.72.0 to 3.74.0 #6631
• Bump com.google.cloud:libraries-bom from 26.65.0 to 26.67.0 #6638
• Bump dropwizard-metrics from 4.2.33 to 4.2.36 #6665
• Bump io.dropwizard.metrics5:metrics-core from 5.0.1 to 5.0.4 #6650
• Bump io.prometheus:prometheus-metrics-bom from 1.3.10 to 1.4.1 #6644
• Bump software.amazon.awssdk:cloudwatch from 2.32.20 to 2.33.4 #6692

1.15.4

🐞 Bug Fixes

• NettyAllocatorMetrics should not prevent collecting executors #6641
• [JOOQ] MetricsDSLContext - fetchExists doesn't report provided tags #6583

📔 Documentation

• add compatibility note for jOOQ overload delegation #6681

🔨 Dependency Upgrades

• Bump dropwizard-metrics from 4.2.33 to 4.2.36 #6677

❤️ Contributors

Thank you to all the contributors who worked on this release:

@HeeChanN

1.14.11

🐞 Bug Fixes

• NettyAllocatorMetrics should not prevent collecting executors #6641
• [JOOQ] MetricsDSLContext - fetchExists doesn't report provided tags #6583

📔 Documentation

• add compatibility note for jOOQ overload delegation #6681

🔨 Dependency Upgrades

• Bump dropwizard-metrics from 4.2.33 to 4.2.36 #6676

❤️ Contributors

@HeeChanN
Thank you to all the contributors who worked on this release:

1.16.0-M2

⚠️ Noteworthy

• Deprecate the Wavefront module #6328

⭐ New Features

• Add MeterFilter.forMeters utility method #6594
• Apache HC 5 OTel semantic convention #6591
• Improve nullability for gauges #6546
• Metrics for Generational Shenandoah GC #4259
• Support custom tags in NettyEventExecutorMetrics #6592
• Support newsgroups KeyValue for Jakarta Mail instrumentation #6558

🔨 Dependency Upgrades

• Bump context-propagation to 1.2.0-M1 #6615
• Bump software.amazon.awssdk:cloudwatch from 2.31.78 to 2.32.20 #6616
• Bump jersey3 from 3.1.10 to 3.1.11 #6606
• Bump com.google.cloud:google-cloud-monitoring from 3.68.0 to 3.72.0 #6604
• Bump com.google.cloud:libraries-bom from 26.63.0 to 26.65.0 #6585
• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.16 to 1.8.17 #6596
• Bump com.dynatrace.metric.util:dynatrace-metric-utils-java from 2.2.1 to 2.3.0 #6542

❤️ Contributors

Thank you to all the contributors who worked on this release:

@peterjeschke, @genuss, and @izeye

1.15.3

🐞 Bug Fixes

• Catch IllegalArgumentException in VirtualThreadMetrics #6584
• Handle ArrayIndexOutOfBoundsException from DoubleHistogram in TimeWindowPercentileHistogram.accumulate() defensively #6563

🔨 Dependency Upgrades

• Bump jersey3 from 3.1.10 to 3.1.11 #6607
• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.16 to 1.8.17 #6600
• Bump io.netty:netty-bom from 4.1.122.Final to 4.1.123.Final #6537

❤️ Contributors

Thank you to all the contributors who worked on this release:

@genuss and @izeye

1.14.10

🐞 Bug Fixes

• Handle ArrayIndexOutOfBoundsException from DoubleHistogram in TimeWindowPercentileHistogram.accumulate() defensively #6563

🔨 Dependency Upgrades

• Bump jersey3 from 3.1.10 to 3.1.11 #6603
• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.16 to 1.8.17 #6601
• Bump io.netty:netty-bom from 4.1.122.Final to 4.1.123.Final #6534

❤️ Contributors

Thank you to all the contributors who worked on this release:

@izeye

1.16.0-M1

⚠️ Noteworthy

• Remove deprecated io.micrometer.core.lang annotations #6407
• Register JCache cache.removals as a FunctionCounter by default #2754

⭐ New Features

• Add KeyName.withNoneValue() #6125
• Add getAll to Getter for repeated metadata #6312
• Enhance logging of negative amount in AbstractTimer.record() by printing stack trace #6530
• Flag to register JCache cache.removals as FunctionCounter #6471
• Improved Meter.Id#getTags() performance #6182
• Jakarta Mail instrumentation #5985
• Log requests as trace level for OtlpMeterRegistry #6514
• Make KafkaMetrics refresh interval configurable #6319
• Migrate to JSpecify annotations for nullability constraints #5547
• Provide meter count in HighCardinalityTagsDetector #6510
• StackdriverConfig option to not create metric descriptors #6281
• Use String.replace() where possible #6449

🐞 Bug Fixes

• Distribution without percentiles always has value 0 in Stackdriver #6401
• Incompatible with slf4j 2 in OSGi #6406
• LongTaskTimer#measure does not return max duration #6421
• Return NaN for null KafkaMetrics values #6324
• Scrape failure when conflicting meter types are registered #6434
• ValueResolver and ValueExpressionResolver nullability is inconsistent #6280

📔 Documentation

• Polish Javadoc from gh-6319 #6376

🔨 Dependency Upgrades

• Bump software.amazon.awssdk:cloudwatch from 2.31.41 to 2.31.78 #6525
• Bump io.prometheus:prometheus-metrics-bom from 1.3.6 to 1.3.10 #6523
• Bump com.google.cloud:libraries-bom from 26.60.0 to 26.63.0 #6497
• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.12 to 1.8.16 #6482
• Bump com.google.cloud:google-cloud-monitoring from 3.63.0 to 3.68.0 #6474
• Bump com.google.auth:google-auth-library-oauth2-http from 1.34.0 to 1.37.1 #6437
• Bump dropwizard-metrics from 4.2.30 to 4.2.33 #6436
• Bump io.dropwizard.metrics5:metrics-core from 5.0.0 to 5.0.1 #6435
• Bump io.opentelemetry.proto:opentelemetry-proto from 1.5.0-alpha to 1.7.0-alpha #6290

📝 Tasks

• Remove optional jsr305 dependency where not needed #6493
• Make benchmark module require at least Java 17 #6469
• Missing @NullMarked #6433
• Deprecate micrometer-commons nullability annotations in favor of jSpecify #6425
• Add JDK 24 build job #6400
• Update japicmp config for 1.16.0 development #6242

❤️ Contributors

Thank you to all the contributors who worked on this release:

@etki, @Shaderbug, @MemencioPerez, @famaridon, @izeye, @msqr, and @thonra

1.15.2

⭐ New Features

• Flag to register JCache cache.removals as FunctionCounter #6471
• Log requests as trace level for OtlpMeterRegistry #6514
• Use String.replace() where possible #6449

🐞 Bug Fixes

• Distribution without percentiles always has value 0 in Stackdriver #6401
• Incompatible with slf4j 2 in OSGi #6406
• LongTaskTimer#measure does not return max duration #6421
• Return NaN for null KafkaMetrics values #6324
• Scrape failure when conflicting meter types are registered #6434

❤️ Contributors

Thank you to all the contributors who worked on this release:

@izeye, and @msqr

1.14.9

⭐ New Features

• Log requests as trace level for OtlpMeterRegistry #6514
• Use String.replace() where possible #6449
• Flag to register JCache cache.removals as FunctionCounter #6471

🐞 Bug Fixes

• Distribution without percentiles always has value 0 in Stackdriver #6401
• Incompatible with slf4j 2 in OSGi #6406
• LongTaskTimer#measure does not return max duration #6421
• Return NaN for null KafkaMetrics values #6324
• Scrape failure when conflicting meter types are registered #6434

❤️ Contributors

@izeye, @msqr
Thank you to all the contributors who worked on this release:

1.15.1

🐞 Bug Fixes

• IndexProviderFactory throws ConcurrentModificationException #6243
• Make InstrumentationVerificationTests compatible with JUnit 5.13 and earlier versions #6344
• gRPC client interceptor incorrectly registers status CANCELLED as error #6261

🔨 Dependency Upgrades

• Bump software.amazon.awssdk:cloudwatch from 2.31.41 to 2.31.58 #6372
• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.12 to 1.8.14 #6336
• Bump dropwizard-metrics from 4.2.30 to 4.2.32 #6307
• Bump io.prometheus:prometheus-metrics-bom from 1.3.7 to 1.3.8 #6306
• Bump io.prometheus:prometheus-metrics-bom from 1.3.6 to 1.3.7 #6241

📝 Tasks

• Remove AtomicReference from StatsdMeterRegistryTest #6311
• Remove java11Test setup from micrometer-test #6293
• Polish StatsD line builders #6285
• Improve StatsD tests #6284
• Resolve StringSplitter from Error Prone #6271
• Resolve EqualsGetClass from Error Prone #6263
• Resolve ClassCanBeStatic from Error Prone #6253
• Resolve InlineFormatString from Error Prone #6232
• Add more tests for TimedHandler #6227
• Replace TimeUtils usage to TimeUnit where applicable #6224

❤️ Contributors

Thank you to all the contributors who worked on this release:

@izeye, @kwondh5217, @cfredri4, and @ngocnhan-tran1996