github spring-projects/spring-boot v4.2.0-M1
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pre-release4 hours ago

⭐ New Features

  • Refine Forwarded headers configuration for Jetty servers #51148
  • Disable Micrometer global registry in tests by default #51142
  • Use GracefulHandler rather than StatisticsHandler to coordinate graceful shutdown of Jetty #51128
  • Deprecate RestTemplate support #51118
  • Update properties for forwarded headers to adapt to Reactor Netty changes #51031
  • Update properties for forwarded headers to adapt to Spring Framework changes #51030
  • Remove APIs that were deprecated for removal in 4.2 #50955
  • Add support for image-based build caches #50899
  • Provide plugin management for hibernate-maven-plugin #50892
  • Support timeout option in RetryPolicySettings #50891
  • Add self-reference to ApplicationContextAssertProvider #50500
  • Add configuration property for leaveGroupOnClose in Kafka Streams #50432
  • Expose Path getters on ApplicationHome and ApplicationTemp #50194
  • Introduce RabbitMQ AMQP 1.0 client support #49857
  • Introduce Generic AMQP 1.0 client support #49678
  • Rename spring-boot-amqp to spring-boot-rabbitmq #49677
  • Add support for AMQP 1.0 #49619
  • Deprecate TestRestTemplate in favor of RestTestClient #46632
  • spring-boot.run.useTestClasspath does not take target/test-classes in account #36115

🐞 Bug Fixes

  • Structured logging: a failed JSON encode corrupts the next log event written on the same thread #51371
  • Kafka consumer-specific security protocol is not taken into account #51370
  • Exposing gRPC test server port should backoff if gRPC is not present #51291
  • Micrometer registries pin the application context #51136
  • Temporary file is not deleted when ExportedImageTar construction fails #51133
  • spring.grpc.server.health.include-overall-health is not taken into account #51106
  • Metadata annotation processor ignores getter-level @NestedConfigurationProperty for records #51099
  • spring-boot-h2-console pulls servlet-api as transitive dependency #51096
  • PropertiesLauncher does not log nested archive paths #51090
  • Methods that return the result of Map#remove are not declared with a @Nullable return type #51088
  • NativeImageResourceProvider flattens Flyway migration paths in subdirectories #50965
  • Fix ordering of Kotlinx Serialization CodecCustomizer #50962
  • JarFile is not closed when finding main class from archive #50960

📔 Documentation

  • Description of spring.graphql.websocket.connection-init-timeout does not render correctly in the reference guide #51364
  • spring.profiles.group should have a 'spring-profile-name' hint provider #51285
  • Remove reference to removed InfluxDB auto-configuration #51177
  • Use JacksonJsonSerde in Kafka Streams documentation #51162
  • Document alternatives to HttpMessageConverters #51130
  • Fix stale type reference for OTLP logging transport metadata #51126
  • Metadata for spring.test.mockmvc.htmlunit.url declares the wrong type #51116
  • Caching documentation refers to AutoConfigureCache by its pre-4.0 package #51114
  • Fix examples in Metadata Format documentation chapter #51103
  • Improve discoverability of the AOT Cache How-to guides #51001

🔨 Dependency Upgrades

❤️ Contributors

Thank you to all the contributors who worked on this release:

@Chrisg2000, @DragonFSKY, @LordKay-sudo, @MacAlsandair, @SebTardif, @TYsewyn, @dmitrysulman, @eddumelendez, @filiphr, @ghost, @msridhar, @ngocnhan-tran1996, @scordio, @skdas20, @sourabh-bhattacharjee, @taasjord, @vvzvvv, @wantaekchoi, @xfocus3, and @zxuhan

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