Spring/spring-boot: Release v2.4.0-M3

Name: spring-boot

Owner: Spring

Release: v2.4.0-M3

Released: 2020-09-17

License: Apache-2.0

Release Assets:

⭐ New Features

  • Allow trailing whitespace on properties document split marker #23399
  • Add startup Actuator endpoint #23213
  • Support constructor binding on 3rd party classes #23172
  • Add mainApplicationClass information as a tag to "starting" StartupStep #23162
  • Allow EntityScanner to be extended to provide a custom ClassPathScanningCandidateComponentProvider #23154
  • Allow redis's connect and read/command timeouts to be configured separately #23137
  • Allow default binder to work with multiple constructors #23117
  • Avoid unnecessary reflection in TaskExecutorBuilder #23107
  • Add global optional config data opt-out #23097
  • Provide a property for configuring Spring AMQP's address shuffle mode #23091
  • Generate a default value in the metadata for configuration properties initialised with Period.ZERO and Duration.ZERO #23082
  • Fix some typos in tests #23050
  • Provide a configuration property for Kafka listener container's idleBetweenPolls #23048
  • Configure SAML 2.0 Service Provider via Metadata #23045
  • Fail if import locations are not found #23032
  • Provide a simple Instantiator utility class #23029
  • Allow placeholders to be used in config import locations #23020
  • Improve origin of imported config #23018
  • Rename CompositeMeterRegistryAutoConfiguration #22988
  • Auto-configure ConcurrentKafkaListenerContainerFactory with a user-provided RecordFilterStrategy bean if available #22973
  • Support authentication from Docker daemon to private docker registry. #22972
  • Add a registry to support long lived instances during environment processing #22956
  • Rename neo4j.version to neo4j-java-driver.version #22952
  • Restore support for spring.profiles.include for non profile specific documents #22944
  • Mark bootArchives as nonresolvable configuration in Gradle plugin to better convey its purpose #22943
  • Make GridFsTemplate's bucket configurable #22854
  • Align WebClient uri metric tag with RestTemplate's #22832
  • Disable default security configuration when SecurityFilterChain bean is present #22739
  • Provide a buffering implementation for application startup metrics #22603
  • Remove Elasticsearch RestClient auto-configuration #22358
  • Support loading external configuration from files with no file extension #22280
  • Exclude empty starters jars and annotation processors when running or packaging with Maven and Gradle #22036
  • Make Devtools file detection more resilient across application restarts #19543
  • Add SSL support to RSocketServer #19399

🪲 Bug Fixes

  • spring-boot-dependencies should not define a spring-boot.version property #23378
  • @ManagementContextConfiguration is meta-annotated with @Configuration(proxyBeanMethods=false) which does not disable proxying #23306
  • Signed jar dependency performance problem when repackaged in a single jar #23265
  • ValidationHandler no longer works with certain map keys #23261
  • MVC error model unnecessarily requires timestamp entry to be a java.util.Date #23259
  • Missing sanitization in lists of URIs properties on actuator endpoints #23253
  • Cassandra's pool duration mapping uses a wrong duration unit #23251
  • PropertiesLauncher fails to load PBKDF-OpenSSL of bcprov-jdk15on-1.64.jar #23241
  • ErrorPageFilter is no longer ordered at HIGHEST_PRECEDENCE + 1 #23205
  • When using HSQLDB, Hikari logs a warning message about the driver class name when the first connection is retrieved from the pool #23204
  • Large files can throw YAMLException due to node limits #23153
  • Configurable SSL Logback extensions can't be supported due to URL checks #23136
  • Image building support does not zero-pad digest hashes to 64 characters #23134
  • Image builder fails silently when there's an error loading the ephemeral image #23133
  • RSocketPortInfoApplicationContextInitializer can throw NPE #23089
  • Dependency convergence error for nimbus-jose-jwt when depending on spring-boot-starter-oauth2-client #23072
  • UndertowWebServerFactoryCustomizer requires commons lang via an unintended import on ClassUtils #23064
  • Freemarker is configured to prefer filesystem access by default #23051
  • Too much logging when building an OCI image with Maven #23015
  • LayoutFactory can be presented with empty source file #23001
  • Extracting layers with layertools doesn't work with executable JAR files #23000
  • JarFile can cause memory issues when running on Java 11+ #22999
  • Metrics auto-configurations are not ordered correctly #22990
  • Exception inclusion cannot be disabled when sub-classing DefaultErrorAttributes and using its deprecated constructor #22984
  • The @TypeExcludeFilters annotation is not @Inherited #22967
  • Update transaction auto-configuration to backoff if a TransactionManager is defined #22851
  • MongoClientFactorySupport overrides existing uuidRepresentation with MongoProperties default value #22321

📔 Documentation

  • Document that @ConfigurationProperties beans are not scanned in sliced tests #23244
  • Document that buildpacks use non-root users for building container images and running containers #23201
  • Add reference to AOProfiling Spring Boot starter #23161
  • Document setting buildpack Java version from compiler plugin version #23148
  • Document how to perform tasks after application startup #23145
  • Fix documentation on Elasticsearch client configuration #23144
  • Update Maven Plugin's documentation to note the importance of configuring start and stop goals with the same JMX port #23143
  • Document how to use spring.factories to add auto-configuration to a test slice #23142
  • Document that graceful shutdown may not work from IDEs #23140
  • Provide examples of Actuator custom endpoints in the reference documentation #23061
  • Add Hyperledger Fabric for Spring Boot Starter to the community starters #23058
  • Mention correct JUnit 5 annotations in Kotlin testing section #23005
  • Fix Gradle Plugin custom image name example and documentation #22980
  • Javadoc inaccuracy in SpringApplicationBuilder.properties(Properties) #22965
  • Fix typo Assert4J -> AssertJ #22961
  • Document that Java 15 is a supported version #22366
  • Publish Actuator API and Maven/Gradle plugin reference documentation under htmlsingle #21585
  • Add more anchors in the properties appendix #16267

🔨 Dependency Upgrades

  • Upgrade to SendGrid 4.6.5 #23397
  • Upgrade to Micrometer 1.5.5 #23396
  • Upgrade to Flyway 6.5.6 #23395
  • Upgrade to Spring Kafka 2.6.1 #23382
  • Upgrade to Spring REST Docs 2.0.5.RELEASE #23377
  • Upgrade to Mockito 3.5.10 #23368
  • Upgrade to Undertow 2.2.0.Final #23367
  • Upgrade to Thymeleaf Layout Dialect 2.5.1 #23366
  • Upgrade to SnakeYAML 1.27 #23365
  • Upgrade to Postgresql 42.2.16 #23364
  • Upgrade to Pooled JMS 1.2.0 #23363
  • Upgrade to InfluxDB Java 2.20 #23362
  • Upgrade to Artemis 2.15.0 #23361
  • Upgrade to Lettuce 6.0.0.RC2 #23360
  • Upgrade to Tomcat 9.0.38 #23359
  • Upgrade to Spring WS 3.0.10.RELEASE #23358
  • Upgrade to SendGrid 4.6.4 #23357
  • Upgrade to R2DBC Bom Arabba-SR7 #23356
  • Upgrade to Nimbus JOSE JWT 9.0.1 #23355
  • Upgrade to OAuth2 OIDC SDK 8.19.2 #23354
  • Upgrade to Netty tcNative 2.0.34.Final #23353
  • Upgrade to Netty 4.1.52.Final #23352
  • Upgrade to JUnit Jupiter 5.7.0 #23351
  • Upgrade to Hibernate 5.4.21.Final #23350
  • Upgrade to Hazelcast 3.12.9 #23349
  • Upgrade to Flyway 6.5.5 #23348
  • Upgrade to Elasticsearch 7.9.1 #23347
  • Upgrade to Ehcache3 3.9.0 #23346
  • Upgrade to Couchbase Client 3.0.8 #23345
  • Upgrade to Commons Codec 1.15 #23344
  • Upgrade to Cassandra Driver 4.9.0 #23343
  • Upgrade to AppEngine SDK 1.9.82 #23342
  • Upgrade to Spring Security 5.4.0 #23225
  • Upgrade to RSocket 1.1.0-M2 #23214
  • Upgrade to Spring Data 2020.0.0-RC1 #23197
  • Upgrade to Spring Batch 4.3.0-RC1 #23189
  • Upgrade to Spring Session 2020.0.0-RC1 #23188
  • Upgrade to Assertj 3.17.2 #23179
  • Upgrade to Spring Framework 5.3 RC1 #23170
  • Upgrade to Reactor 2020.0.0-RC1 #23065
  • Upgrade to Kotlin Coroutines 1.3.9 #23025
  • Upgrade to Kotlin 1.4.0 #23024
  • Upgrade to Spring AMQP 2.3.0-M3 #23011
  • Upgrade to Spring Integration 5.4.0-M3 #23010

:heart: Contributors

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

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