v2.4.0-M4

⭐ 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...

v2.4.0-M3

⭐ 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 ex...

v2.3.4.RELEASE

🪲 Bug Fixes

• @ManagementContextConfiguration is meta-annotated with @Configuration(proxyBeanMethods=false) which does not disable proxying #23305
• Signed jar dependency performance problem when repackaged in a single jar #23264
• ValidationHandler no longer works with certain map keys #23260
• MVC error model unnecessarily requires timestamp entry to be a java.util.Date #23258
• Missing sanitization in lists of URIs properties on actuator endpoints #23252
• Cassandra's pool duration mapping uses a wrong duration unit #23249
• When using HSQLDB, Hikari logs a warning message about the driver class name when the first connection is retrieved from the pool #23203
• ErrorPageFilter is no longer ordered at HIGHEST_PRECEDENCE + 1 #23200
• spring-boot-dependencies should not define a spring-boot.version property #23174
• PropertiesLauncher fails to load PBKDF-OpenSSL of bcprov-jdk15on-1.64.jar #23165
• Configurable SSL Logback extensions can't be supported due to URL checks #23135
• Image building support does not zero-pad digest hashes to 64 characters #23132
• Image builder fails silently when there's an error loading the ephemeral image #23130
• Large files can throw YAMLException due to node limits #23096
• RSocketPortInfoApplicationContextInitializer can throw NPE #23087
• UndertowWebServerFactoryCustomizer requires commons lang via an unintended import on ClassUtils #23063
• JarFile can cause memory issues when running on Java 11+ #22998
• Dependency convergence error for nimbus-jose-jwt when depending on spring-boot-starter-oauth2-client #22996
• LayoutFactory can be presented with empty source file #22995
• Metrics auto-configurations are not ordered correctly #22989
• The @TypeExcludeFilters annotation is not @Inherited #22966
• Exception inclusion cannot be disabled when sub-classing DefaultErrorAttributes and using its deprecated constructor #22750
• Too much logging when building an OCI image with Maven #22674

📔 Documentation

• Document that @ConfigurationProperties beans are not scanned in sliced tests #23243
• Fix documentation on Elasticsearch client configuration #23074
• Provide examples of Actuator custom endpoints in the reference documentation #23060
• Mention correct JUnit 5 annotations in Kotlin testing section #23004
• Document that extracting layers with layertools doesn't work with executable JAR files #22993
• Javadoc inaccuracy in SpringApplicationBuilder.properties(Properties) #22964
• Fix typo Assert4J -> AssertJ #22960
• Document that graceful shutdown may not work from IDEs #22959
• Fix typos in docs #22945
• Fix Gradle Plugin custom image name example and documentation #22918
• Document how to use spring.factories to add auto-configuration to a test slice #22531
• Update Maven Plugin's documentation to note the importance of configuring start and stop goals with the same JMX port #22401
• Document how to perform tasks after application startup #22100
• Document setting buildpack Java version from compiler plugin version #21796
• Document that buildpacks use non-root users for building container images and running containers #21122

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.5.5 #23393
• Upgrade to Spring REST Docs 2.0.5.RELEASE #23376
• Upgrade to Spring AMQP 2.2.11 #23373
• Upgrade to Spring WS 3.0.10.RELEASE #23339
• Upgrade to Spring HATEOAS 1.1.2.RELEASE #23338
• Upgrade to Lettuce 5.3.4.RELEASE #23337
• Upgrade to Undertow 2.1.4.Final #23318
• Upgrade to Tomcat 9.0.38 #23317
• Upgrade to R2DBC Bom Arabba-SR7 #23316
• Upgrade to Postgresql 42.2.16 #23315
• Upgrade to Netty tcNative 2.0.34.Final #23314
• Upgrade to Netty 4.1.52.Final #23313
• Upgrade to Neo4j OGM 3.2.16 #23312
• Upgrade to Hibernate 5.4.21.Final #23311
• Upgrade to Hazelcast 3.12.9 #23310
• Upgrade to Flatten Maven Plugin 1.2.5 #23309
• Upgrade to Couchbase Client 3.0.8 #23308
• Upgrade to AppEngine SDK 1.9.82 #23307
• Upgrade to Spring Kafka 2.5.6 #23199
• Upgrade to Spring Data Neumann-SR4 #23196
• Upgrade to Reactor Dysprosium-SR12 #23192
• Upgrade to Spring Session Dragonfruit-SR1 #23187
• Upgrade to Spring Framework 5.2.9 #23183

❤️ Contributors

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

• @dreis2211
• @Lopfest
• @jnizet
• @ThomasKasene

v2.2.10.RELEASE

🪲 Bug Fixes

• @ManagementContextConfiguration is meta-annotated with @Configuration(proxyBeanMethods=false) which does not disable proxying #23301
• Signed jar dependency performance problem when repackaged in a single jar #23263
• Allow types other than Date to be used in the "timestamp" MVC error model #23256
• RSocketPortInfoApplicationContextInitializer can throw NPE #23084
• UndertowWebServerFactoryCustomizer requires commons lang via an unintended import on ClassUtils #23059
• Missing sanitization in lists of URIs properties on actuator endpoints #23037
• When using HSQLDB, Hikari logs a warning message about the driver class name when the first connection is retrieved from the pool #23036
• JarFile can cause memory issues when running on Java 11+ #22991
• Configurable SSL Logback extensions can't be supported due to URL checks #22946
• The @TypeExcludeFilters annotation is not @Inherited #22939
• When Reactor's debug agent fails to initialize, the cause of the failure is discarded #22777
• LiquibaseEndpoint does not report change sets from ancestor contexts #22681
• TaskExecutorBuilder only uses second-precision when configuring the await termination period #22604
• Spring Boot 2.3.2: new context is created for every IT class if SpyBean is used #22566
• WebMvcTest and WebFluxTest do not include Jackson Module beans #22530
• UndertowWebServerFactoryCustomizer does not support Options but only UndertowOptions #22502
• Setting ignoreInvalidFields=true on @ConfigurationProperties causes unknown fields to be ignored as well #22308
• Background preinitialisation may cause Jackson2ObjectMapperBuilder's Kotlin detection warning to be silently dropped #21897
• Legacy endpoint ids with '-' do not migrate cleanly #21615
• Externalized Configuration ignores null values in SPRING_APPLICATION_JSON #21542
• Proper ordering of metrics auto-configurations #21134
• ValidationHandler no longer works with certain map keys #20350
• XADataSourceAutoConfiguration is difficult to use with DB2XADataSource as it does not have a URL property #20229
• Async exceptions not handled by error pages in war deployments #19471

📔 Documentation

• Document that @ConfigurationProperties beans are not scanned in sliced tests #23210
• Provide examples of Actuator custom endpoints in the reference documentation #23028
• Mention correct JUnit 5 annotations in Kotlin testing section #23002
• Javadoc inaccuracy in SpringApplicationBuilder.properties(Properties) #22962
• Fix typo Assert4J -> AssertJ #22948
• PushGateway documentation does not document enabled flag properly #22919
• Document how to discover the HTTP Port at Runtime for both Servlet and Reactive web apps #22898
• Mention configuration customizers for WebTestClient and RestAssured in AutoConfigureRestDocs' javadoc #22765
• Fix broken links to Micrometer registry docs #22705
• Document that spring-boot-configuration-processor cannot detect default value defined externally #22685
• Link to App Engine Standard sample not working #22607
• Fix link to Elasticsearch health indicator #22598
• Include a hint where to find documentation for DevTools in docs overview #22591
• Document that constructor binding does not support @DurationUnit and @DataSizeUnit #22565
• Docs say Health's inner details section may contain components #22490
• Recommend the use of AopTestUtils.getTargetObject() when setting expectations on a spied bean that Spring has proxied #22281
• Document the need for configuration files to have a file extension #22278
• Document that java.util.Optional is not recommended with ConfigurationProperties #21868
• Document how to use MongoClientSettingsBuilderCustomizer #21696
• Document that schema.sql and data.sql will still be run when using Flyway or Liquibase but discourage their use #20920
• Improve documentation about swapping one technical starter for another #20408
• Update metrics documentation to note the benefits of using a MeterBinder when registering a metric that relies on other beans #19557
• Clarify documentation on use of @AutoConfigureRestDocs with WebTestClient #15977

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.3.14 #23388
• Upgrade to Spring AMQP 2.2.11 #23372
• Upgrade to Spring Ws 3.0.10.RELEASE #23336
• Upgrade to Neo4j Ogm 3.2.16 #23335
• Upgrade to Tomcat 9.0.38 #23334
• Upgrade to Spring Security 5.2.6.RELEASE #23299
• Upgrade to Postgresql 42.2.16 #23297
• Upgrade to Infinispan 9.4.20.Final #23295
• Upgrade to Hibernate 5.4.21.Final #23294
• Upgrade to Elasticsearch 6.8.12 #23293
• Upgrade to Jetty 9.4.31.v20200723 #23292
• Upgrade to Byte Buddy 1.10.14 #23291
• Upgrade to Undertow 2.0.31.Final #23290
• Upgrade to Rsocket 1.0.2 #23289
• Upgrade to Netty Tcnative 2.0.34.Final #23288
• Upgrade to Netty 4.1.52.Final #23287
• Upgrade to Dropwizard Metrics 4.1.12.1 #23285
• Upgrade to Hazelcast 3.12.9 #23284
• Upgrade to Appengine Sdk 1.9.82 #23283
• Upgrade to Spring Kafka 2.3.11 #23198
• Upgrade to Spring Data Moore-SR10 #23195
• Upgrade to Reactor Dysprosium-SR12 #23191
• Upgrade to Spring Session Corn-SR4 #23186
• Upgrade to Spring Framework 5.2.9 #23182
• Upgrade to Dependency Management Plugin 1.0.10.RELEASE #22615

❤️ Contributors

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

• @lock14
• [@dreis2211](h...

v2.1.17.RELEASE

🪲 Bug Fixes

• Signed jar dependency performance problem when repackaged in a single jar #19041

📔 Documentation

• Fix broken links to Micrometer registry docs #22704

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.1.18 #23384
• Upgrade to Spring AMQP 2.1.17 #23371
• Upgrade to Spring Ws 3.0.10.RELEASE #23333
• Upgrade to Neo4j Ogm 3.1.22 #23332
• Upgrade to Tomcat 9.0.38 #23331
• Upgrade to Spring Security 5.1.12.RELEASE #23278
• Upgrade to Postgresql 42.2.16 #23277
• Upgrade to Infinispan 9.4.20.Final #23275
• Upgrade to Hibernate 5.3.18.Final #23274
• Upgrade to Jetty 9.4.31.v20200723 #23273
• Upgrade to Undertow 2.0.31.Final #23272
• Upgrade to Dependency Management Plugin 1.0.10.RELEASE #23271
• Upgrade to Netty Tcnative 2.0.34.Final #23270
• Upgrade to Netty 4.1.52.Final #23269
• Upgrade to Appengine Sdk 1.9.82 #23267
• Upgrade to Jackson 2.9.10.20200824 #23266
• Upgrade to Spring Data Lovelace-SR20 #23194
• Upgrade to Reactor Californium-SR21 #23190
• Upgrade to Spring Session Bean-SR12 #23185
• Upgrade to Spring Framework 5.1.18 #23181

❤️ Contributors

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

• @izeye
• @mathieufortin01
• @dreis2211
• @runningcode

v2.4.0-M2

⭐ New Features

• Prefer non-reflective access to ConfigurationClassPostProcessor #22858
• Do not include cookie headers in HTTP traces by default #22829
• Jetty with Conscrypt no longer a requirement for easy HTTP/2 #22826
• Add no-pull option for image building #22736
• Use new core framework r2dbc support #22708
• Fail hard if spring.profiles.include is used with new config processing #22693
• Allow DurationFormat and PeriodFormat to be used on parameters #22646
• Allow for programatic access to new ConfigDataEnvironment processing #22601
• Instrument SpringBootApplication for application startup metrics #22600
• Add configuration to disable Redis Cluster dynamic sources refresh #22571
• Allow Jedis to be selected when both Jedis and Lettuce are on the classpath #22569
• Add basic auth support for Prometheus pushgateway #22548
• Add functional constructor to EnvironmentPostProcessorApplicationListener #22529
• Add support for profile groups #22522
• Extract DefaultPropertiesPropertySource class #22520
• Add plugin management for liquibase-maven-plugin #22499
• Add CloudPlatform.isEnforced that uses a Binder #22498
• Replace ConfigFileApplicationListener and rework application properties support #22497
• Add DeferredLogFactory support #22496
• Add multi-document properties file support #22495
• Add ConfigurationPropertySource.from factory method #22494
• Add @name support for value object binding #22492
• Improve Liveness/Readiness health indicators and probes configuration #22483
• Remove version management for exec-maven plugin #22397
• Make DefaultErrorAttributes easier to subclass for message customization #22378
• Add properties for Netty HttpDecoderSpec #22367
• Avoid unnecessary allocations in ConditionMessage for NORMAL style #22331
• Allow SpringApplication to create its application context without requiring reflection #22322
• Add failure analyzer for missing Liquibase changelog #22320
• Switch Neo4j health checks to the new Neo4j driver #22302
• Add auto-configuration for Neo4j driver #22301
• Upgrade to Spring Data Neo4j 6 #22299
• Measure with nanoseconds in HttpExchangeTracer #22266
• Support configuration of localEntityIdTemplate for a SAML Relying Party #22258
• Add a property to not create HealthIndicators from AbstractRoutingDatasources #22222
• Add support for reactive Elasticsearch healthcheck #22215
• Support incremental annotation processing with Gradle #22150
• Allow exclude only health groups #22053
• Auto-configure Rabbit connection factory with CredentialsProvider and CredentialsRefreshService when available #22016
• Allow specifying unit type of configuration property when injected via constructor #21746
• Add option to configure PathPatternParser in Spring MVC #21694
• Add support for easily disabling metrics export #21658
• Support iso offset time and date-time conversion with MVC and WebFlux by setting time or date-time properties to iso-offset #21630
• Add properties to control exceptions ignored by LdapTemplate #21289
• Support additional R2DBC pool properties #21219
• Switching default to include layers index for fat jar #20983
• Add support for creating property sources from volume-mounted Kubernetes ConfigMaps and Secrets #19990
• Add a test slice for Spring Data Cassandra #17490
• Consider spring.profiles.default when processing configuration files #15994
• Application properties outside of jar should take precedence over profile-specific variants inside the jar #3845

🪲 Bug Fixes

• MustacheEnvironmentCollector with nullValue compiler option no longer works in version 2.3.1 #22938
• Externalized Configuration ignores null values in SPRING_APPLICATION_JSON #22897
• CouchbaseCacheManager can no longer be customized using CacheManagerCustomizer #22874
• Requests that should be handled by an additional DispatcherServlet result in a 404 response #22856
• Legacy endpoint ids with '-' do not migrate cleanly #22850
• When Reactor's debug agent fails to initialize, the cause of the failure is discarded #22848
• StartupStep are closed twice in SpringApplicationRunListeners #22776
• OCI image build fails if environment has any empty properties #22735
• Kubernetes readiness probe endpoint returning 404 #22698
• NPE in BeanDefinitionLoader when loading non-Class sources and XML support is disabled #22696
• LiquibaseEndpoint does not report change sets from ancestor contexts #22687
• Async exceptions not handled by error pages in war deployments #22673
• XADataSourceAutoConfiguration is difficult to use with DB2XADataSource as it does not have a URL property #22642
• TaskExecutorBuilder only uses second-precision when configuring the await termination period #22612
• Profile groups are not applied to the environment #22605
• Setting ignoreInvalidFields=true on @ConfigurationProperties causes unknown fields to be ignored as well #22586
• Spring Boot 2.3.2: new context is created for every IT class if SpyBean is used #22584
• Background preinitialisation may cause Jackson2ObjectMapperBuilder's Kotlin detection warning to be silently dropped #22581
• UndertowWebServerFactoryCustomizer does not support Options but only UndertowOptions #22579
• WebMvcTest and WebFluxTest do not include Jackson Module beans #22577
• CouchbaseCacheConfiguration is not ordered properly #22568
• AbstractRepositoryConfigurationSourceSupport does not override registerBeanDefinitions(AnnotationMetadata, BeanDefinitionRegistry) #22546
• Filter empty YAML documents [#22493](https://github.com/sp...

v2.3.3.RELEASE

⚠️ Upgrading from 2.3.2.RELEASE

• If you've applied a configuration workaround for an issue about missing liveness/readiness probes #22562, you should ensure that this workaround is removed when upgrading to 2.3.3.RELEASE.

⭐ 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
• 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!

• @izeye
• @dreis2211
• @ttddyy
• @ksmilek-wr

v2.3.2.RELEASE

⭐ 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 @Bean in 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](https://gi...

v2.2.9.RELEASE

🪲 Bug Fixes

• A WebFlux app that depends on com.amazonaws:DynamoDBLocal fails to start #22275
• NullPointerException in ErrorPageFilter when a MissingServletRequestParameterException is thrown and there's no DefaultHandlerExceptionResolver #22248
• TomcatMetricsBinder may log a warning for an NPE if the context is closed before the ApplicationStartedEvent is published #22141
• Accept empty filter dispatcher types in auto-configurations #22138
• RedisReactiveHealthIndicator is broken with Redis cluster mode #22061
• @ConditionalOnSingleCandidate does not match when there is a single candidate that is a scoped bean #22038
• Management health group does not inherit show-details property #22022
• LOGBACK: No context given for c.q.l.core.rolling.SizeAndTimeBasedRollingPolicy #21056
• MockBean does not resolve the right type for abstract test class #20916
• ConfigurationPropertiesBeanDefinitionValidator interferes with EclipseLink load-time weaving #20798

📔 Documentation

• Update the documentation to avoid trivialising what the reader's learning about #22409
• Clarify the effect of ordering auto-configuration #22337
• Clarify locations inside and outside the jar from which properties are loaded #22262
• Rename NoneOfNestedConditions to NoneNestedConditions in example docs #22207
• Document how to exclude an annotation processor with Maven #22000
• Fix wrong property reference to keys-to-sanitize in Javadoc #21906
• Some entries in the tables of configuration properties are incomplete #21131

🔨 Dependency Upgrades

• Upgrade to Aspectj 1.9.6 #22539
• Upgrade to Micrometer 1.3.11 #22538
• Upgrade to Groovy 2.5.13 #22525
• Upgrade to Spring Session Bom Corn-SR3 #22451
• Upgrade to Neo4j Ogm 3.2.14 #22450
• Upgrade to Kotlin Coroutines 1.3.8 #22449
• Upgrade to Hsqldb 2.5.1 #22448
• Upgrade to Hibernate 5.4.18.Final #22447
• Upgrade to Jetty 9.4.30.v20200611 #22446
• Upgrade to Tomcat 9.0.37 #22445
• Upgrade to Johnzon Jsonb 1.2.8 #22444
• Upgrade to Activemq 5.15.13 #22443
• Upgrade to Byte Buddy 1.10.13 #22442
• Upgrade to Mysql 8.0.21 #22441
• Upgrade to Jakarta Servlet 4.0.4 #22440
• Upgrade to Netty 4.1.51.Final #22439
• Upgrade to Dropwizard Metrics 4.1.11 #22437
• Upgrade to Db2 Jdbc 11.5.4.0 #22436
• Upgrade to Hazelcast 3.12.8 #22435
• Upgrade to Appengine Sdk 1.9.81 #22434
• Upgrade to Caffeine 2.8.5 #22433
• Upgrade to Jackson 2.10.5 #22432
• Upgrade to Couchbase Client 2.7.16 #22431
• Upgrade to Spring Kafka 2.3.10 #22386
• Upgrade to Spring Integration 5.2.8 #22385
• Upgrade to Spring Data Moore-SR9 #22384
• Upgrade to Spring AMQP 2.2.9 #22383
• Upgrade to Reactor Dysprosium-SR10 #22374
• Upgrade to Spring Framework 5.2.8 #22372

❤️ Contributors

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

• @dreis2211
• @lltx
• @Sineaggi
• @mpens
• @Konrado85
• @im47cn
• @tszmytka
• @polarbear567
• @XenoAmess
• @thenx-wei

v2.1.16.RELEASE

🪲 Bug Fixes

• NullPointerException in ErrorPageFilter when a MissingServletRequestParameterException is thrown and there's no DefaultHandlerExceptionResolver #22169

📔 Documentation

• Update the documentation to avoid trivialising what the reader's learning about #22408

🔨 Dependency Upgrades

• Upgrade to Aspectj 1.9.6 #22537
• Upgrade to Micrometer 1.1.16 #22536
• Upgrade to Spring Integration 5.1.12 #22511
• Upgrade to Spring AMQP 2.1.16 #22507
• Upgrade to Groovy 2.5.13 #22505
• Upgrade to Spring Session Bom Bean-SR11 #22430
• Upgrade to Neo4j Ogm 3.1.20 #22429
• Upgrade to Jetty 9.4.30.v20200611 #22428
• Upgrade to Tomcat 9.0.37 #22427
• Upgrade to Activemq 5.15.13 #22426
• Upgrade to Mysql 8.0.21 #22425
• Upgrade to Netty 4.1.51.Final #22424
• Upgrade to Micrometer 1.1.15 #22423
• Upgrade to Appengine Sdk 1.9.81 #22422
• Upgrade to Jackson 2.9.10.20200621 #22421
• Upgrade to Couchbase Client 2.7.16 #22420
• Upgrade to Spring Data Lovelace-SR19 #22382
• Upgrade to Reactor Californium-SR20 #22371
• Upgrade to Spring Framework 5.1.17 #22370

❤️ Contributors

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

• @dreis2211
• @XenoAmess