1.8.0-RC1

⚠️ Noteworthy

• Deprecate ReactorNettySender #2814
• Known issue: [statsd] JVM crash (SIGSEGV) at startup with alpine based docker image, see issue for workaround: #2776

⭐ New Features / Enhancements

• StackdriverMeterRegistry should report Counters as CUMULATIVE not as GAUGE #2773
• Elastic registry: allow api-key for authentication #2712
• More accurate metrics for 404 responses from Jersey #2587

🪲 Bug Fixes

• Can't configure DISTRIBUTION on per-metric basis for Datadog #2798
• PrometheusNamingConvention duplicates "_seconds" suffix with default configuration for Timer metrics #2320
• Fragile reference to private synthetic this$ field #2806
• High CPU usage while using KafkaStreamsMetrics #2801
• zgc pause time includes concurrent time #2372

🔨 Dependency Upgrades

• Upgrade Spring Boot to 2.6.0-M3 in samples for 1.8.x #2831
• Upgrade to JUnit 5.8.1 #2816
• Upgrade SignalFx to 1.0.13 #2830
• Upgrade AssertJ to 3.21.0 and other test dependencies #2826
• Upgrade dropwizard-metrics to 4.1.26 #2824
• Upgrade Netflix Spectator libs to 0.135.0 #2823
• Upgrade to reactor 3.3.21, reactor-netty 0.9.24, netty 4.1.69 #2822
• Upgrade to nohttp-gradle 0.0.10 #2804

📝 Tasks

• Integration test for Elasticsearch backend with API key authentication #2820
• Lock dependencies #2817
• Deprecate ReactorNettySender #2814
• CloudWatchMeterRegistry must use a separate thread pool to publish data to cloud watch #2717
• Make DynatraceMeterRegistryTest a little more robust #2821
• Gradle Enterprise Plugin upgrade to 3.7 #2794
• StepCounter JavaDoc wrong about count rate #2793
• Build with JDK 17 #2778

❤️ Contributors

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

• @izeye @bentmann @YuliaFrishko @tmarszal @Fetsivalen @bodin @samarprakash @cyberdelia