My Release Notes

by Tiny Tools

/spring-projects/spring-boot/v4.1.0
v4.1.0
v4.1.0
View on GitHubView PackagePublished: Jun 10, 2026

Release Notes

:star: New Features

  • Add public constructor to InvalidConfigurationPropertyValueException that accepts a cause #50211
  • Reduce memory consumption when repeatedly calling WritableJson.toByteArray #49428

:lady_beetle: Bug Fixes

  • MailSender auto-configuration does not enable hostname verification #50747
  • Artemis auto-configuration uses a predictable default location for the embedded broker's data #50745
  • Embedded LDAP SSL should not be enabled when its bundle is empty #50700
  • InetAddressFilter.externalAddresses does not exclude special purpose addresses from RFC 6890 #50668
  • NullPointerException in reactor-netty SniProvider and unmapped SSL bundle with RSocket #50645
  • SSL should not be enabled when a SSL bundle is overridden to an empty string #50635
  • Test auto-configuration no longer integrates Spring Security with HtmlUnitDriver #50633
  • Configuration property metadata includes incorrect class references #50632
  • Docker Compose support does not restore thread interrupt flag when catching InterruptedException #50618
  • RabbitProperties enables SSL even when spring.rabbitmq.ssl.bundle is overridden to an empty string #50612
  • NullPointerException in reactor-netty SniProvider when SSL bundle uses client-auth or server truststore without server-name-bundles #50610
  • SpringJtaPlatform should have been deprecated since 4.1.0-M3 #50592
  • Layer written outside the output location of '//' exception is thrown when using extract layers in root directory #50510
  • ConfigurationPropertiesReportEndpoint exposes AOP proxy internals #50417
  • Created StackTracePrinter instances have no access to the Environment #50414
  • MappingsEndpoint reports the context's own ID as parentId when a parent exists #50412
  • Buildpack module does not validate long-to-int casts #50410
  • Gradle gRPC support fails if protobuf-java dependency is used instead of protobuf-java-util #50405
  • GraphQL WebSocket support does not configure allowed origins #50394
  • Spring Boot Loader Does Not Support RSA and EC Signed Jars #50298
  • Meter registries are not removed from the global registry when the context is closed #50287
  • DataSourceBuilder cannot derive a DataSource from a lazy connection proxy #50271
  • Nullable annotations from AbstractErrorController.getErrorAttributes are not aligned with implementation #50266
  • Bean definitions can be added with an initializer before setAllowBeanDefinitionOverriding is called #50264
  • EndpointRequest links matcher unnecessarily matches HTTP methods other than GET #50261
  • Actuator's '/cloudfoundryapplication' endpoint does not work if restrictive CORS configuration is provided using a bean named corsConfigurationSource #50258
  • ThreadPoolTaskScheduleBuilder unnecessarily loses precision when configuring await termination time #50234
  • NimbusJwtDecoder silently accepts unknown values for spring.security.oauth2.resourceserver.jwt.jws-algorithms #50228
  • Missing dependency management for spring-boot-web-server-test #50224
  • Spring Batch support for MongoDB modules are not included in dependency management #50223
  • Apply HTML escaping to timestamp attribute in Whitelabel error page #50216
  • GrpcServerHealthScheduler is not started in servlet environments #50209
  • Setting server.servlet.session.cookie.partitioned=true has no effect when using Tomcat #50204

:notebook_with_decorative_cover: Documentation

  • Fix reference to Gradle documentation for module replacement #50647
  • Document SSL reloading with Let's Encrypt #50630
  • Remove the use of Optional from Data Neo4j repository examples #50622
  • Fix typos in documentation #50620
  • Clarify dependency requirement for Bean Validation support #50614
  • Document Java 25 requirement for AOT cache #50485
  • Add links for Java CAS Client Spring Boot Starter #50285
  • Document known testcontainers lifecycle issues #50220
  • Document adding multiple connectors for Jetty #50218
  • Polish InvalidConfigurationPropertyValueException constructor javadoc #50214
  • Fix typo in Spring Security OAuth2 client registration documentation #50199

:hammer: Dependency Upgrades

:heart: Contributors

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

@Abdlatif-nabgha, @DragonFSKY, @Kapil-chn7, @Kimgyuilli, @SJvaca30, @SebTardif, @ares333, @codingkiddo, @dlwldnjs1009, @eddumelendez, @henriquejsza, @igormukhin, @johnnypwong, @kwondh5217, @leestana01, @mheath, @mmoayyed, @msridhar, @ngocnhan-tran1996, @nosan, @quaff, @scordio, @vinhhieu21, @vpavic, @won-seoop, and @zxuhan