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Spring Boot v2.4.0-M4 Release Notes

Release Date: 2020-10-15 // over 3 years ago

  • 🍱 ⭐ New Features

    • 👌 Improve ConfigData processing code #23711
    • Apply FailureAnalyzers even if the ApplicationContext was not created #23710
    • 🏗 Set platform API version when invoking image builder #23682
    • Align name of UndertowServletWebServerFactory's eagerInitFilters with Undertow's naming #23674
    • ➕ Add KafkaStream's CleanupConfig properties #23636
    • ➕ Add a FailureAnalyzer for ConfigDataNotFoundException #23633
    • ⚡️ Update default builder image for image builds with buildpacks #23628
    • 🔧 Override Undertow's defaults so that the request URL of a forwarded request is spec-compliant and make it configurable via an application property #23619
    • 🔧 Use a Property named mainClass to configure the main class name in the Gradle plugin #23608
    • ✂ Remove org.synchronoss.cloud:nio-multipart-parser from spring-boot-starter-webflux in favour of WebFlux's own parser #23601
    • ➕ Address inconsistencies in enabling configuration properties #23593
    • ➕ Add configuration properties for Flyway 7.0's new configuration options #23579
    • 👉 Use JdbcTransactionManager in favor of DatasourceTransactionManager #23572
    • 🗄 Deprecate HSQL in EmbeddedDatabaseConnection and add HSQLDB as its preferred replacement #23565
    • ➕ Add configuration option to configure RabbitConnectionFactory's channelRpcTimeout #23564
    • 🏗 Avoid resolving configurations unnecessarily when building a layered jar #23528
    • ➕ Add BootstrapContext methods that deal with missing registrations #23438
    • 🔧 Configure the bootBuildInfo task lazily #23435
    • 🏗 When building with Gradle, include project dependencies in the application layer by default and make it easer to customise their location #23431
    • 👍 Allow users to define their own LocaleContextResolver bean when using WebFlux #23419
    • ➕ Add support for Oracle UCP #23403
    • 🏗 Configure Docker host in build plugins #23400
    • 👍 Allow to create a custom RestTemplateBuilder whilst retaining default auto-configuration #23389
    • 🔧 Don't apply MeterFilter to auto-configured composite registry #23381
    • ➕ Add configuration option to customize RSocketServer's fragment size #23247
    • 👌 Improve CassandraHealthIndicator with more robust mechanism #23041
    • 👍 Allow binding to collections when a boolean 'is' method also exists #23007
    • 0️⃣ Stop registering the default servlet by default #22915
    • ➕ Add support for Redis 6 authentication with username #22702
    • 🔦 Expose cache metrics for RedisCache #22701
    • 🔧 Configure ApplicationContext's ResourceLoader on RabbitConnectionFactory #22332
    • ➕ Add origin support for empty YAML list and map #21704
    • ➕ Add support for publishing docker images to a registry #21001
    • ➕ Add support for Hazelcast 4 #20856

    🍱 🐞 Bug Fixes

    • Setting server.undertow.eager-filter-init has no effect #23677
    • 🔧 @ConfigurationPropertiesBinding does not apply Formatter beans #23615
    • 🏗 spring-boot-configuration-processor prevents builds from being incremental when source retention annotations are present #23580
    • H2 Console error with AbstractRoutingDataSource #23570
    • When using embedded Jetty, an error response to a HEAD request has a body #23557
    • Custom layer definition does not pick up snapshots #23541
    • 🔧 Datasource initialisation with JPA schema configured in deferred mode happens asynchronously #23535
    • Dependency management for Netty tcNative does not include its netty-tcnative module #23509
    • PropertiesLauncher requires spring-core on the classpath #23501
    • 0️⃣ Log4j's tag library doesn't work out of the box as log4j-*.jar is skipped by default #23482
    • 🔧 DataSourceBuilder should only alias a property when the expected DataSource is configured #23480
    • ✅ Unexpected application context cache hit when testing with SpringBootTest webEnvironment MOCK and DEFINED_PORT #23478
    • 🔧 Log4j2 configuration is not picking up some properties #23430
    • 🔧 Flyway configuration ignores init-sqls when using spring.datasource.* properties #23409
    • Kubernetes configmap hidden files are exposed as property sources #23232

    📔 Documentation

    • 🛠 Fix XML tag in image publishing example #23632
    • ✅ Document that @DataNeo4jTest does not support transactional tests with a reactive setup #23630
    • 🔧 Document that a reactive transaction manager is not auto-configured with Spring Data Neo4j #23629
    • 🏗 Document how JAVA_OPTS can be used with the buildpack #23626
    • ➕ Add example of default Cloud Native Buildpacks Builder #23623
    • ➕ Add upgrading section to reference docs with a link to the wiki #23612
    • ➕ Add example of setting system property in gradle bootRun #23599
    • 🛠 Fix typos in reference documentation and contributing guidelines #23573
    • 📇 Update configuration metadata appendix to remove description for Gradle 4.5 and earlier as it is no longer supported #23568
    • 🔧 Provide both properties and YAML for each configuration properties example #23515
    • ➕ Add reference to desensitization spring boot starter #23507
    • 🛠 Fix typos #23465
    • 🛠 Fix link to Log4j's JDK Logging Adapter in reference documentation #23462
    • 🛠 Fix typo #23456
    • Revisit hint on using classpath* for retrieving templates #23453
    • 🔧 Note the Kt class name suffix when describing how to configure a Kotlin application's main class name #23423
    • ➕ Add anchor links to section headers in Gradle and Maven plugin reference docs #23407

    ⬆️ 🔨 Dependency Upgrades

    • ⬆️ Upgrade to Byte Buddy 1.10.17 #23639
    • ⬆️ Upgrade to Caffeine 2.8.6 #23640
    • ⬆️ Upgrade to Commons DBCP2 2.8.0 #23641
    • ⬆️ Upgrade to Couchbase Client 3.0.9 #23642
    • ⬆️ Upgrade to Dropwizard Metrics 4.1.13 #23643
    • ⬆️ Upgrade to Elasticsearch 7.9.2 #23644
    • ⬆️ Upgrade to Flyway 7.0.2 #23645
    • ⬆️ Upgrade to Hazelcast 4.0.3 #23475
    • ⬆️ Upgrade to Hazelcast Hibernate5 2.1.1 #23476
    • ⬆️ Upgrade to Hibernate 5.4.22.Final #23646
    • ⬆️ Upgrade to Hibernate Validator 6.1.6.Final #23647
    • ⬆️ Upgrade to HtmlUnit 2.44.0 #23648
    • ⬆️ Upgrade to HttpClient 4.5.13 #23649
    • ⬆️ Upgrade to Infinispan 11.0.4.Final #23650
    • ⬆️ Upgrade to Jackson Bom 2.11.3 #23651
    • ⬆️ Upgrade to Jersey 2.32 #23652
    • ⬆️ Upgrade to Jetty 9.4.32.v20200930 #23653
    • ⬆️ Upgrade to jOOQ 3.13.5 #23654
    • ⬆️ Upgrade to JUnit 4.13.1 #23655
    • ⬆️ Upgrade to Kotlin 1.4.10 #23656
    • ⬆️ Upgrade to Kotlin Coroutines 1.4.0-M1 #23678
    • 🚀 Upgrade to Lettuce 6.0.0.RELEASE #23657
    • ⬆️ Upgrade to Liquibase 3.10.3 #23658
    • ⬆️ Upgrade to Lombok 1.18.14 #23659
    • ⬆️ Upgrade to MariaDB 2.7.0 #23660
    • ⬆️ Upgrade to Mockito 3.5.13 #23661
    • ⬆️ Upgrade to OAuth2 OIDC SDK 8.22 #23673
    • ⬆️ Upgrade to Postgresql 42.2.17 #23662
    • ⬆️ Upgrade to QueryDSL 4.4.0 #23663
    • ⬆️ Upgrade to Reactor 2020.0.0-RC2 #23621
    • ⬆️ Upgrade to RSocket 1.1.0-RC1 #23637
    • ⬆️ Upgrade to RxJava2 2.2.20 #23664
    • ⬆️ Upgrade to Selenium HtmlUnit 2.44.0 #23665
    • ⬆️ Upgrade to SendGrid 4.6.6 #23666
    • ⬆️ Upgrade to Spring AMQP 2.3.0-RC1 #23680
    • ⬆️ Upgrade to Spring Data 2020.0.0-RC2 #23594
    • ⬆️ Upgrade to Spring Framework 5.3.0-RC2 #23534
    • ⬆️ Upgrade to Spring Integration 5.4.0-RC1 #23695
    • ⬆️ Upgrade to Spring Kafka 2.6.2 #23679
    • 🔒 Upgrade to Spring Security 5.4.1 #23667
    • ⬆️ Upgrade to Tomcat 9.0.39 #23668
    • ⬆️ Upgrade to Undertow 2.2.2.Final #23669

    🍱 ❤️ Contributors

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