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Spring Boot v2.3.3.RELEASE Release Notes

Release Date: 2020-08-13 // over 3 years ago

  • 🍱 ⭐ New Features

    • Jetty with Conscrypt no longer a requirement for easy HTTP/2 #22188

    🍱 🐞 Bug Fixes

    • Externalized Configuration ignores null values in SPRING_APPLICATION_JSON #22895
    • Legacy endpoint ids with '-' do not migrate cleanly #22849
    • When Reactor's debug agent fails to initialize, the cause of the failure is discarded #22847
    • 🏗 OCI image build fails if environment has any empty properties #22703
    • 👀 LiquibaseEndpoint does not report change sets from ancestor contexts #22686
    • Requests that should be handled by an additional DispatcherServlet result in a 404 response #22682
    • 🚀 Async exceptions not handled by error pages in war deployments #22672
    • XADataSourceAutoConfiguration is difficult to use with DB2XADataSource as it does not have a URL property #22641
    • 🔧 TaskExecutorBuilder only uses second-precision when configuring the await termination period #22611
    • 🔧 Setting ignoreInvalidFields=true on @ConfigurationProperties causes unknown fields to be ignored as well #22585
    • Spring Boot 2.3.2: new context is created for every IT class if SpyBean is used #22583
    • ⚠ Background preinitialisation may cause Jackson2ObjectMapperBuilder's Kotlin detection warning to be silently dropped #22580
    • 👍 UndertowWebServerFactoryCustomizer does not support Options but only UndertowOptions #22578
    • ✅ WebMvcTest and WebFluxTest do not include Jackson Module beans #22576
    • CouchbaseCacheManager can no longer be customized using CacheManagerCustomizer #22573
    • Kubernetes readiness probe endpoint returning 404 #22562
    • CouchbaseCacheConfiguration is not ordered properly #22542
    • MustacheEnvironmentCollector with nullValue compiler option no longer works in version 2.3.1 #22039

    📔 Documentation

    • 📚 PushGateway documentation does not document enabled flag properly #22930
    • 0️⃣ Default value of server.jetty.accesslog.format is wrongly associated to server.forward-headers-strategy #22921
    • Use wildcard in BP_JVM_VERSION with image building #22916
    • 🔧 Kotlin examples for configuring bootBuildImage's environment use wrong map configuration syntax #22913
    • 🔧 Mention configuration customizers for WebTestClient and RestAssured in AutoConfigureRestDocs' javadoc #22910
    • 🌐 Document how to discover the HTTP Port at Runtime for both Servlet and Reactive web apps #22899
    • 🔧 Document that spring-boot-configuration-processor cannot detect default value defined externally #22890
    • 📄 Docs say Health's inner details section may contain components #22774
    • 🛠 Fix wrong reference in ReadinessStateHealthIndicator javadoc #22760
    • ✅ Recommend the use of AopTestUtils.getTargetObject() when setting expectations on a spied bean that Spring has proxied #22758
    • Document that schema.sql and data.sql will still be run when using Flyway or Liquibase but discourage their use #22748
    • 🛠 Fix broken links to Micrometer registry docs #22706
    • 📚 Clarify documentation on use of @AutoConfigureRestDocs with WebTestClient #22669
    • 👍 Document that constructor binding does not support @DurationUnit and @DataSizeUnit #22665
    • Document properties to enable probe health indicators #22631
    • 📚 Update metrics documentation to note the benefits of using a MeterBinder when registering a metric that relies on other beans #22629
    • 📚 Include a hint where to find documentation for DevTools in docs overview #22622
    • 🛠 Fix link to Elasticsearch health indicator #22617
    • ➕ Add ElasticsearchReactiveHealthIndicator to docs #22616
    • 🔗 Link to App Engine Standard sample not working #22608
    • 👌 Improve documentation about swapping one technical starter for another #22596
    • Document how to use MongoClientSettingsBuilderCustomizer #22589
    • 🔧 Document the need for configuration files to have a file extension #22587
    • 🔧 Document that java.util.Optional is not recommended with ConfigurationProperties #22574
    • 📇 Typo in metadata for "management.health.readinessstate.enabled" #22560
    • 🔧 Document how to opt back in to DataSource auto-configuration when using R2DBC #22094
    • 🔧 Document that application.conf is not read by default when using the Cassandra auto-configuration #21787
    • 🔌 Document how to use Gradle's native bom support as an alternative to the dependency management plugin #21570

    ⬆️ 🔨 Dependency Upgrades

    • ⬆️ Upgrade to Micrometer 1.5.4 #22932
    • 🚀 Upgrade to Spring Security 5.3.4.RELEASE #22873
    • 🚀 Upgrade to Spring HATEOAS 1.1.1.RELEASE #22872
    • ⬆️ Upgrade to RSocket 1.0.2 #22871
    • ⬆️ Upgrade to Pooled JMS 1.1.2 #22870
    • 🚀 Upgrade to Lettuce 5.3.3.RELEASE #22869
    • ⬆️ Upgrade to Kafka 2.5.1 #22868
    • ⬆️ Upgrade to jOOQ 3.13.4 #22867
    • ⬆️ Upgrade to Jetty 9.4.31.v20200723 #22866
    • ⬆️ Upgrade to Jackson Bom 2.11.2 #22865
    • ⬆️ Upgrade to Hibernate 5.4.20.Final #22864
    • ⬆️ Upgrade to Dropwizard Metrics 4.1.12.1 #22863
    • 🚀 Upgrade to Dependency Management Plugin 1.0.10.RELEASE #22862
    • ⬆️ Upgrade to Couchbase Client 3.0.7 #22861
    • ⬆️ Upgrade to Commons Pool2 2.8.1 #22860
    • ⬆️ Upgrade to Byte Buddy 1.10.14 #22859
    • ⬆️ Upgrade to Spring Data Neumann SR3 #22844
    • ⬆️ Upgrade to Spring Kafka 2.5.5 #22843
    • ⬆️ Upgrade to Spring AMQP 2.2.10 #22842
    • ⬆️ Upgrade to Reactor Dysprosium-SR11 #22841

    🍱 ❤️ Contributors

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