⭐ New Features
- Improve Liveness/Readiness health indicators and probes configuration #22107
- Add run-image option for image building #21534
- Add support for reactive Elasticsearch healthcheck #21042
🪲 Bug Fixes
- AbstractRepositoryConfigurationSourceSupport does not override registerBeanDefinitions(AnnotationMetadata, BeanDefinitionRegistry) #22480
- ConditionMessage#items throws an NPE with a null list of items although the Javadoc states it is tolerated #22344
- ConfigurationPropertiesBeanDefinitionValidator interferes with EclipseLink load-time weaving #22325
- Image building fails when DOCKER_HOST is set to a local socket prefixed with unix:// #22300
- OnClassCondition tries to determine the outcome for single auto-configuration classes in parallel #22294
- A WebFlux app that depends on com.amazonaws:DynamoDBLocal fails to start #22282
- NullPointerException in ErrorPageFilter when a MissingServletRequestParameterException is thrown and there's no DefaultHandlerExceptionResolver #22249
- Numerous logs mentioning a failed JNDI lookup when using Jetty #22241
- OAuth2ResourceServerAutoConfiguration does not back off completely when spring-security-oauth2-resource-server is not on the classpath #22233
- Period conversion does not support a ChronoUnit of WEEKS but supports weeks in ISO-8601 (e.g. P2W) and simple (e.g. 2w) formats #22225
- Image building fails with an unhelpful error message when building an image from a jar that includes the launch script #22223
- Layered bootJar task causes warnings when custom source set is present in the project #22200
- @ConditionalOnSingleCandidate does not match when there is a single candidate that is a scoped bean #22197
- NPE in spring-boot-maven-plugin:build-image when setting custom builder that is not a builder #22179
- Accept empty filter dispatcher types in auto-configurations #22175
- TomcatMetricsBinder may log a warning for an NPE if the context is closed before the ApplicationStartedEvent is published #22167
- Resource loading fails in Tomcat when Spring Boot is loaded from the common class loader #22119
- Temporary files not cleaned up after Maven plugin execution #22112
- RedisReactiveHealthIndicator is broken with Redis cluster mode #22096
- Management health group does not inherit show-details property #22063
- layertools with a wrong option seems to fail silently #22042
- NamedPipeSocket does not handle FileSystemException when establishing the file channel #22035
- In a context hierarchy, timeout-per-shutdown-phase is only honoured in the root context #22014
- LOGBACK: No context given for c.q.l.core.rolling.SizeAndTimeBasedRollingPolicy #22010
- MockBean does not resolve the right type for abstract test class #22006
- The failure when spring.redis.url is configured with a redis-sentinel:// URL is hard to diagnose #21999
- spring-boot-starter-parent contains elements that must be overridden and aren't documented as such #21989
- Projects using Maven and spring-security-oauth2-client end up with a downgraded version of json-smart that isn't compatible with the managed version of json-path #21939
- Kafka Stream consumer metrics were lost in the move away from KafkaConsumerMetrics #21921
- Dependencies enforced without applying plugin #21911
- Welcome page support bypasses controllers mapped to / #21909
- AvailabilityChangeEvent does not carry generic information #21898
- Property spring.autoconfigure.exclude ignored by test slices #21736
- Image references passed to a CNB builder are not validated #21495
📔 Documentation
- Update the documentation to avoid trivialising what the reader's learning about #22410
- Clarify the effect of ordering auto-configuration #22339
- Restructure "Building Container Images" section #22296
- Update documentation to reflect the web server now being started immediately before the ContextRefreshedEvent is published #22277
- Clarify locations inside and outside the jar from which properties are loaded #22264
- Rename NoneOfNestedConditions to NoneNestedConditions in example docs #22246
- Add package info for org.springframework.boot.autoconfigure.elasticsearch.rest #22147
- Document how to exclude an annotation processor with Maven #22023
- Remove Javadoc throw for ConfigurationPropertyName.ofIfValid() #22018
- Fix wrong property reference to keys-to-sanitize in Javadoc #21916
- Document Kafka metrics support #21910
- Fix formatting of
@Beanin reference documentation #21908 - Update layers.idx file example in docs #21510
🔨 Dependency Upgrades
- Upgrade to Micrometer 1.5.3 #22553
- Upgrade to MariaDB 2.6.2 #22541
- Upgrade to AspectJ 1.9.6 #22540
- Upgrade to Groovy 2.5.13 #22526
- Upgrade to Tomcat 9.0.37 #22478
- Upgrade to Solr 8.5.2 #22477
- Upgrade to Netty 4.1.51.Final #22476
- Upgrade to Neo4j OGM 3.2.14 #22475
- Upgrade to MySQL 8.0.21 #22474
- Upgrade to MongoDB 4.0.5 #22473
- Upgrade to Lettuce 5.3.2.RELEASE #22470
- Upgrade to Kotlin Coroutines 1.3.8 #22469
- Upgrade to jOOQ 3.13.3 #22468
- Upgrade to Johnzon 1.2.8 #22467
- Upgrade to Jetty 9.4.30.v20200611 #22466
- Upgrade to Jetty Reactive HTTPClient 1.1.4 #22465
- Upgrade to Jakarta Servlet 4.0.4 #22464
- Upgrade to Jackson Bom 2.11.1 #22463
- Upgrade to HSQLDB 2.5.1 #22462
- Upgrade to Hibernate 5.4.18.Final #22461
- Upgrade to Hazelcast 3.12.8 #22460
- Upgrade to Flatten Maven Plugin 1.2.4 #22459
- Upgrade to Dropwizard Metrics 4.1.11 #22458
- Upgrade to DB2 JDBC 11.5.4.0 #22457
- Upgrade to Couchbase Client 3.0.6 #22456
- Upgrade to Caffeine 2.8.5 #22455
- Upgrade to Byte Buddy 1.10.13 #22454
- Upgrade to AppEngine SDK 1.9.81 #22453
- Upgrade to ActiveMQ 5.15.13 #22452
- Upgrade to R2DBC Arabba-SR6 #22394
- Upgrade to Spring Kafka 2.5.4 #22390
- Upgrade to Spring Integration 5.3.2 #22389
- Upgrade to Spring Data Neumann-SR2 #22388
- Upgrade to Spring AMQP 2.2.9 #22387
- Upgrade to Reactor Dysprosium-SR10 #22376
- Upgrade to Spring Framework 5.2.8 #22375
- Upgrade to Maven Shade Plugin 3.2.4 #22227
❤️ Contributors
We'd like to thank all the contributors who worked on this release!