Spring/spring-boot: Release v2.4.0-M4

Name: spring-boot

Owner: Spring

Release: v2.4.0-M4

Released: 2020-10-15

License: Apache-2.0

Release Assets:

⭐ 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
  • 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
  • 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

:heart: Contributors

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

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