What’s New in Spring Boot 3.2.0? Bug Fixes, Docs, and Dependency Upgrades Explained

🐞 Bug Fixes

Fixed ClassNotFoundException when defining component class reference variables during AOT processing of Logback XML (#34336).

Fixed failure to report Logback configuration errors when running as a native image (#34315).

Fixed Spring LDAP dependency management to remove the non‑existent spring-ldap-core-tiger (#34299).

Fixed Kotlin ConfigurationProperties default values not being recognized when using nativeRun (#34157).

Fixed Maven plugin PropertiesMergingResourceTransformer incorrectly closing InputStream (#34072).

Fixed Actuator Health web endpoint malfunction when using Gson with Java 17 (#34070).

Fixed missing Implementation entry in the manifest of JARs built with Gradle (#34059).

Fixed @SpyBean not resetting spies after test execution (#34044).

Fixed slowdown of application restart caused by devtools when using a Reactive application (#34036).

Fixed removal of mysql:mysql-connector‑java from spring‑boot‑dependencies (#34021).

Fixed incomplete dependency management for Mongo Java Driver (#34019).

Fixed jOOQ DefaultConfiguration not using TransactionProvider (#33979).

Fixed automatic registration of ObservationFilter bean (#33968).

Fixed Properties Migrator not detecting deprecated Map‑type properties (#33963).

Fixed incorrect artifact ID usage in some Angus Mail module dependencies (#33947).

Fixed ElasticsearchClientAutoConfiguration causing the global ObjectMapper to be overridden (#33426).

📔 Documentation

Updated documentation for @ConfigurationProperties bean naming conventions (#34192).

Added required additional configuration for spring.mvc.throw-exception-if-no-handler-found=true (#34190).

Revised custom data masking documentation as built‑in key‑based masking is no longer executed (#34051).

Added Redis application property examples (#34041).

Restored guide on using Jedis instead of Lettuce (#33995).

Added missing Actuator section to the documentation overview (#33933).

Added Javadoc for OperationParameter.getAnnotation() (since #33919).

🔨 Dependency Upgrades

Upgrade to Byte Buddy 1.12.23 (#34255)

Upgrade to Caffeine 3.1.4 (#34256)

Upgrade to Dropwizard Metrics 4.2.16 (#34258)

Upgrade to Glassfish JAXB 4.0.2 (#34259)

Upgrade to Groovy 4.0.9 (#34260)

Upgrade to Hibernate 6.1.7.Final (#34261)

Upgrade to Jackson Bom 2.14.2 (#34262)

Upgrade to Jaybird 4.0.9.java11 (#34263)

Upgrade to Jersey 3.1.1 (#34264)