1.14.0-RC1

This is a pre-release milestone intended for early testing. See https://github.com/micrometer-metrics/micrometer?tab=readme-ov-file#milestone-releases

⭐ New Features

• 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

🐞 Bug Fixes

• Restore handling for Timed.percentiles() in TimedAspect #5475

🔨 Dependency Upgrades

• Bump com.google.cloud:google-cloud-monitoring from 3.49.0 to 3.52.0 #5513
• Bump com.google.cloud:google-cloud-monitoring from 3.52.0 to 3.53.0 #5581
• Bump com.google.cloud:libraries-bom from 26.45.0 to 26.48.0 #5563
• Bump com.google.auth:google-auth-library-oauth2-http from 1.24.1 to 1.28.0 #5558
• Bump com.netflix.spectator:spectator-reg-atlas from 1.7.19 to 1.7.21 #5526
• Bump com.signalfx.public:signalfx-java from 1.0.45 to 1.0.46 #5510
• Bump dropwizard-metrics from 4.2.27 to 4.2.28 #5569
• Bump software.amazon.awssdk:cloudwatch from 2.27.17 to 2.28.18 #5559
• Bump software.amazon.awssdk:cloudwatch from 2.28.18 to 2.28.19 #5579

❤️ Contributors

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

@filiphr, @izeye, @sean-heller, @vasiliy-sarzhynskyi, @ArtyomGabeev, @kinddevil, and @mstyura