Highlights

• Add settable gauges via SettableGauge (#1607, #1812)
• Implement LockFreeExponentiallyDecayingReservoir (#1656, #1638)
• Add ThreadPoolExecutor and ForkJoinPool metrics to InstrumentedExecutorService (#1535, #1928)
• Avoid queuing up report tasks in ScheduledReporter (#1590, #1524)

New and updated modules

• Add support for Eclipse Jersey 3.x (#1720, #1744, #1893)
• Add support for Jetty 10.x and 11.x (#1724, #1763, #1764, #1836, #1837)
• Add support for Jakarta EE jakarta.servlet namespace (#1730)
• Add support for Caffeine 3.x (#1759, #1818, #1907)
• Upgrade to Jackson 2.12.x (#1593, #1715, #1737, #1782, #1867)
• Upgrade to Jdbi 3.20.0 (#1855, #1883)

Pre-releases

Please refer to the release notes of the Dropwizard 4.2.0 pre-release versions for more detailed change logs:

• https://github.com/dropwizard/metrics/releases/tag/v4.2.0-beta.1
• https://github.com/dropwizard/metrics/releases/tag/v4.2.0-beta.2
• https://github.com/dropwizard/metrics/releases/tag/v4.2.0-beta.3
• https://github.com/dropwizard/metrics/releases/tag/v4.2.0-beta.4
• https://github.com/dropwizard/metrics/releases/tag/v4.2.0-rc.1
• https://github.com/dropwizard/metrics/releases/tag/v4.2.0-rc.2
• https://github.com/dropwizard/metrics/releases/tag/v4.2.0-rc.3

Changes since Dropwizard Metrics 4.2.0-rc.3

Dependency updates

• Bump httpclient5 from 5.0.3 to 5.1 (#1931)
• Bump jmh.version from 1.30 to 1.31 (#1935)
• Bump mockito-core from 3.9.0 to 3.10.0 (#1936)
• Bump actions/checkout from 2 to 2.3.4 (#1932)