1.15.0-M1

⚠️ Noteworthy

• Do not leak OTLP types on public-facing API #5699

⭐ New Features / Enhancements

• Make jvm.classes.unloaded description generic #5745
• Use String.toLowerCase()/toUpperCase() with Locale.ROOT consistently #5711
• Use failWithActualExpectedAndMessage() where possible #5696
• Provide target host/port info in ObservationExecChainHandler when HttpHostConnectException is thrown #5615
• Enable Gauge builders to take a subclass of Number #5601
• micrometer-observation-test support for assertions on events #5576
• Log delta count in addition to throughput in LoggingMeterRegistry #5548
• Add peer name and port to gRPC observation contexts #3512

🐞 Bug Fixes

• Handle RuntimeException when getting/setting JMS headers #5746
• NPE occurs when AOP is applied to a method that returns CompletableFuture #5741
• Performance regression in MeterRegistry#remove with many meters #5466
• Exponential histogram throws ArrayIndexOutOfBoundsException #5740
• Do not leak OTLP types on public-facing API #5699

🔨 Dependency Upgrades

• Bump software.amazon.awssdk:cloudwatch from 2.29.7 to 2.29.46 #5801
• Upgrade opentelemetry-proto to 1.4.0-alpha #5698
• Bump io.opentelemetry.proto:opentelemetry-proto from 1.4.0-alpha to 1.5.0-alpha #5798
• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.1 to 1.8.3 #5797
• Bump com.google.auth:google-auth-library-oauth2-http from 1.29.0 to 1.30.1 #5779
• Bump com.google.cloud:google-cloud-monitoring from 3.54.0 to 3.56.0 #5776
• Bump org.jooq:jooq from 3.19.15 to 3.19.16 #5769
• Bump io.prometheus:prometheus-metrics-bom from 1.3.3 to 1.3.5 #5766
• Bump com.google.cloud:libraries-bom from 26.50.0 to 26.52.0 #5764
• Bump dropwizard-metrics from 4.2.28 to 4.2.29 #5712

📔 Documentation

• Polish gh-5751 #5760
• Improve docs for same name with different tags #5751
• Document no support for meta-annotations with @Timed/@Counted #5737
• Remove outdated warnings in docs for @Counted/@Timed #5736

❤️ Contributors

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

@cfredri4, @izeye, @ngocnhan-tran1996, @s-ste, and @ttddyy

1.14.3

🐞 Bug Fixes

• Handle RuntimeException when getting/setting JMS headers #5746
• NPE occurs when AOP is applied to a method that returns CompletableFuture #5741
• Performance regression in MeterRegistry#remove with many meters #5466
• Exponential histogram throws ArrayIndexOutOfBoundsException #5740

🔨 Dependency Upgrades

• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.2 to 1.8.3 #5799
• Bump software.amazon.awssdk:cloudwatch from 2.29.23 to 2.29.46 #5795
• Bump io.prometheus:prometheus-metrics-bom from 1.3.4 to 1.3.5 #5783

📔 Documentation

• Polish gh-5751 #5760
• Improve docs for same name with different tags #5751
• Document no support for meta-annotations with @Timed/@Counted #5737
• Remove outdated warnings in docs for @Counted/@Timed #5736

❤️ Contributors

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

@cfredri4 and @izeye

1.13.10

🐞 Bug Fixes

• Handle RuntimeException when getting/setting JMS headers #5746
• NPE occurs when AOP is applied to a method that returns CompletableFuture #5741
• Performance regression in MeterRegistry#remove with many meters #5466

📔 Documentation

• Polish gh-5751 #5760
• Improve docs for same name with different tags #5751
• Document no support for meta-annotations with @Timed/@Counted #5737
• Remove outdated warnings in docs for @Counted/@Timed #5736

❤️ Contributors

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

@cfredri4 and @izeye

1.14.2

🐞 Bug Fixes

• Protect against concurrent reads/writes to Context keyvalues #5739
• Null stacktrace in InvalidObservationException using Virtual Threads #5702
• Deprecate AggregationTemporality#toOtlpAggregationTemporality #5733
• Warn about gauge re-registration #5688
• executor.queued metrics of ForkJoinPool does not include queued submissions #5650
• Default ObservationConventions for Grpc do not always use a consistent set of keyvalues #5609

🔨 Dependency Upgrades

• Bump software.amazon.awssdk:cloudwatch from 2.29.14 to 2.29.23 #5724
• Bump io.prometheus:prometheus-metrics-bom from 1.3.3 to 1.3.4 #5723
• Bump dropwizard-metrics from 4.2.28 to 4.2.29 #5721

📔 Documentation

• Remove duplicated contextpropagation.adoc #5693
• Polish "Grafana Dashboard" section #5662
• Use BOM for Micrometer dependency examples in reference docs #5652

❤️ Contributors

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

@izeye

1.13.9

🐞 Bug Fixes

• Deprecate AggregationTemporality#toOtlpAggregationTemporality #5733
• Warn about gauge re-registration #5688
• executor.queued metrics of ForkJoinPool does not include queued submissions #5650
• Default ObservationConventions for Grpc do not always use a consistent set of keyvalues #5609

🔨 Dependency Upgrades

• Bump dropwizard-metrics from 4.2.28 to 4.2.29 #5726

📔 Documentation

• Remove duplicated contextpropagation.adoc #5693
• Polish "Grafana Dashboard" section #5662
• Use BOM for Micrometer dependency examples in reference docs #5652

❤️ Contributors

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

@izeye

1.14.1

📔 Documentation

• Gauges may be silently ignored when MeterFilters drop or transform tags #5616

🔨 Dependency Upgrades

• Bump com.netflix.spectator:spectator-reg-atlas from 1.8.1 to 1.8.2 #5685
• Bump software.amazon.awssdk:cloudwatch from 2.29.7 to 2.29.14 #5669
• Bump shaded netty to 4.1.115.Final in micrometer-registry-statsd to address CVE-2024-47535 #5660

❤️ Contributors

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

@izeye

1.13.8

📔 Documentation

• Gauges may be silently ignored when MeterFilters drop or transform tags #5616

🔨 Dependency Upgrades

• Bump shaded netty to 4.1.115.Final in micrometer-registry-statsd to address CVE-2024-47535 #5660

❤️ Contributors

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

@izeye

1.12.13

🔨 Dependency Upgrades

• Bump com.amazonaws:aws-java-sdk-cloudwatch from 1.12.777 to 1.12.778 #5670
• Bump shaded netty to 4.1.115.Final in micrometer-registry-statsd to address CVE-2024-47535 #5660

1.14.0

Micrometer 1.14.0 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 this GA release.

⚠️ Noteworthy

• Support ExponentialHistogram in OTLP #3861
• Virtual thread metrics #3956
• Validate expected Observation API call ordering on TestObservationRegistry #5239

⭐ New Features / Enhancements

• Expose TestObservationRegistry as an AssertJ AssertProvider #5551
• Use failure with actual and expected message to improve IDE experience for ObservationContextAssert #5550
• Replace @Nonnull(when = When.MAYBE) with @CheckForNull in @Nullable #5485
• Warn about Prometheus meter registration failure #5228
• Improve performance of merging two Tags/KeyValues instances #5140
• Allow user-provided custom scheduler for periodically binding KafkaMetrics #4976
• Allow specifying the meterNameConsumer for HighCardinalityTagsDetector #4028
• Virtual thread metrics #3956
• Allow tagsBasedOnJoinPoint to override extraTags with CountedAspect #2461
• Configurable _source.enabled Elastic mapping property #1629
• Skip registering Caffeine meters when statistics are not enabled #5409
• Log a warning when instrumenting a cache that is not recording stats in CaffeineCacheMetrics #5402
• MultiGauge.register should accept more types #5390
• Metrics not collected after ExecutorService recreation #5366
• Add "cancelled" information to the GrpcServerObservationContext #5301
• process_start_time_seconds HELP description inconsistency between Prometheus and micrometer #5290
• Add history-tracking to ObservationValidator #5370
• [dynatrace/v2] reduce log verbosity #5306
• Validate expected Observation API call ordering on TestObservationRegistry #5239
• Add JvmThreadDeadlockMetrics #5222
• Allow multiple MeterTag annotations for multiple tags from same target #4081
• Support ExponentialHistogram in OTLP #3861
• Expose ForkJoinPool parallelism and pool size metrics #5236
• Allow custom ThreadFactory for OtlpMeterRegistry #5153
• Do not register GC metrics when GC notifications are unavailable #5149
• Cancelled status code not reported in the gRPC server metrics #5109
• Add counter of failed attempts to retrieve a connection from the pool #5057
• Add Support for @MeterTag to @Counted #4725
• Compile-time weaving support for aspects #1149
• Service level objectives support on @Timed annotation #5145

📔 Documentation

• Add docs for ObservationValidator #5387
• Add docs for multiple MeterTag annotations #5641
• Add docs for @MeterTag for @Counted #5640
• Add docs for JvmThreadDeadlockMetrics #5614
• Add docs for ForkJoinPool parallelism and pool size metrics #5611
• Add docs for VirtualThreadMetrics #5610

🔨 Dependency Upgrades

• Bump io.prometheus:prometheus-metrics-bom to 1.3.3 #5649
• Bump software.amazon.awssdk:cloudwatch to 2.29.7 #5645
• Bump com.google.cloud:libraries-bom to 26.50.0 #5638
• Bump com.signalfx.public:signalfx-java to 1.0.47 #5635
• Bump com.google.auth:google-auth-library-oauth2-http to 1.29.0 #5634
• Bump software.amazon.awssdk:cloudwatch to 2.29.6 #5631
• Bump com.netflix.spectator:spectator-reg-atlas to 1.8.1 #5630
• Bump com.google.cloud:google-cloud-monitoring to 3.54.0 #5628
• Bump dropwizard-metrics to 4.2.28 #5569
• Bump io.opentelemetry.proto:opentelemetry-proto to 1.3.2-alpha #5268
• Bump org.hdrhistogram:HdrHistogram to 2.2.2 #5171

❤️ Contributors

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

@codesimplicity, @genuss, @izeye, @mihalyr, @lcavadas, @filiphr, @sean-heller, @vasiliy-sarzhynskyi, @ArtyomGabeev, @kinddevil, @mstyura, @madhead, @pirgeo, @rkurniawati, @lenin-jaganathan, @smaxx

1.13.7

🐞 Bug Fixes

• Native Image Hazelcast error: java.lang.NoSuchMethodError: com.hazelcast.map.IMap.getName() #5604

📔 Documentation

• Add documentation for @Counted #5613

🔨 Dependency Upgrades

• Bump com.signalfx.public:signalfx-java from 1.0.46 to 1.0.47 #5623
• Bump com.fasterxml.jackson.core:jackson-databind from 2.17.2 to 2.17.3 #5622

📝 Tasks

• Enable japicmp task for micrometer-registry-statsd #5612
• Improve UCUM time unit mapping for Dynatrace #5594

❤️ Contributors

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

@izeye