spring-projects/spring-boot v2.7.0-M3 on GitHub

⭐ New Features

Align indices options of auto-configured ReactiveElasticsearchTemplate with Spring Data Elasticsearch's default #30378
Rework spring.mustache properties to make it clear which are Servlet-specific #30273
Remove support for spring.mongodb.embedded.features #30219
Support podman for building images #30196
Add EIGHTEEN to JavaVersion enum #30133
Allow spring.data.mongodb.uri to override separate host, port, etc properties #30067
Refine GraphQL server auto-configuration #30035
Support overriding the default key-based sanitization #30006
Configure FormattingConversionService in GraphQlAutoConfiguration #29638
Add option to pass configured Docker host to the image builder container #29384
Add configuration property for supported media types with reactive Mustache views #28858
Add support for cache2k in memory caching #28498

🐞 Bug Fixes

ConfigurationPropertyName#equals is not symmetric when adapt has removed trailing characters from an element #30393
Thymeleaf auto-configuration in a reactive application can fail due to duplicate templateEngine beans #30386
server.tomcat.keep-alive-timeout is not applied to HTTP/2 #30322
Setting spring.mustache.enabled to false has no effect #30257
bootWar is configured eagerly #30215
Actuator @ReadOperation on Flux cancels request after first element emitted #30162
Unnecessary allocations in Prometheus scraping endpoint #30126
No metrics are bound for R2DBC ConnectionPools that have been wrapped #30101
Condition evaluation report entry for a @ConditionalOnSingleCandidate that does not match due to multiple primary beans isn't as clear as it could be #30099
DataFetcherExceptionResolver beans are not considered in GraphQlTester slice tests #30078
Generated password are logged without an "unsuitable for production use" note #30071
Files in META-INF are not found when deploying a Gradle-built executable war to a servlet container #30037
Dependency management for Apache Kafka is incomplete #30032
spring-boot-configuration-processor fails compilation due to @DefaultValue with a long value and generates invalid metadata for byte and short properties with out-of-range default values #30023
Naming strategy and MBean exporter are configured inconsistently in JmxAutoConfiguration #29968

📔 Documentation

Add Apache Kafka to the description of the Messaging section #30394
Default value of spring.thymeleaf.reactive.media-types is not documented #30388
Clarify type matching that is performed when using @MockBean and @SpyBean #30383
Fix links to Spring Security Reference Guide in Accessing the H2 Console in a Secured Application #30380
Document how to access the H2 Console in a secured web application #30347
Add Netty in "Enable HTTP Response Compression" #30345
Fix JsonSerializer example in reference guide #30331
WebSockets section missing in reference guide #30275
Include default Dev Tools properties in the reference documentation #30167
Document the WebSocket-related exclusions that are required to use Jetty 10 #30150
Fix typo #30121
Anchor tag for Spring HATEOAS does not redirect properly #30119
Add documentation for spring.profiles.include #30116
Document when config data properties are invalid #30115
Document the scalar types supported by MapBinder #30112
Document how to rely on ServletContext with an embedded container setup #30110
Clarify that build plugins or the CLI does not have an auto-compile feature #30094
Document how to structure configurations so that @Bean methods are included in slice tests #30092
Remove non-existent spring.data.cassandra.connection.connection-timeout property from the documentation #30081
Use Gradle's task configuration avoidance APIs in the main reference docs #30060
Use Gradle's task configuration avoidance APIs in the Gradle Plugin's reference docs #30058
Document plugging in custom sanitisation rules with a SanitizingFunction bean #30054
Improve property placeholder documentation to mention environment variables and default values #30051
Polish web examples in reference doc #30049
Add links to Spring Boot for Apache Geode to the reference documentation #30019

🔨 Dependency Upgrades

Upgrade to Awaitility 4.2.0 #30284
Upgrade to Cassandra Driver 4.14.0 #30285
Upgrade to Couchbase Client 3.2.6 #30286
Upgrade to Dropwizard Metrics 4.2.9 #30287
Upgrade to Ehcache3 3.10.0 #30288
Upgrade to Elasticsearch 7.17.1 #30289
Upgrade to Embedded Mongo 3.4.3 #30341
Upgrade to Flyway 8.5.4 #30290
Upgrade to Groovy 3.0.10 #30291
Upgrade to Hazelcast 5.1.1 #30292
Upgrade to Hibernate 5.6.7.Final #30293
Upgrade to Hibernate Validator 6.2.3.Final #30294
Upgrade to HtmlUnit 2.60.0 #30390
Upgrade to Infinispan 13.0.8.Final #30296
Upgrade to Jackson Bom 2.13.2 #30297
Upgrade to Lettuce 6.1.8.RELEASE #30342
Upgrade to Liquibase 4.9.0 #30298
Upgrade to Log4j2 2.17.2 #30299
Upgrade to Logback 1.2.11 #30305
Upgrade to Maven Compiler Plugin 3.10.1 #30300
Upgrade to Maven Dependency Plugin 3.3.0 #30301
Upgrade to Micrometer 1.9.0-M4 #30014
Upgrade to Mockito 4.4.0 #30302
Upgrade to MongoDB 4.5.1 #30416
Upgrade to Neo4j Java Driver 4.4.5 #30303
Upgrade to Netty 4.1.75.Final #30306
Upgrade to R2DBC Bom Borca-SR1 #30307
Upgrade to Rabbit Stream Client 0.5.0 #30308
Upgrade to Reactor 2020.0.17 #30187
Upgrade to Selenium HtmlUnit 3.60.0 #30391
Upgrade to SendGrid 4.9.1 #30417
Upgrade to Spring AMQP 2.4.3 #30189
Upgrade to Spring Data 2021.2.0-M4 #30185
Upgrade to Spring for GraphQL 1.0.0-M6 #29637
Upgrade to Spring Framework 5.3.17 #30188
Upgrade to Spring Integration 5.5.10 #30193
Upgrade to Spring Kafka 2.8.4 #30352
Upgrade to Spring Retry 1.3.2 #30311
Upgrade to Spring Security 5.7.0-M3 #30191
Upgrade to Spring WS 3.1.3 #30192
Upgrade to Tomcat 9.0.60 #30313
Upgrade to UnboundID LDAPSDK 6.0.4 #30314
Upgrade to Versions Maven Plugin 2.10.0 #30315

❤️ Contributors

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