Spring Boot - v2.5.9

:lady_beetle: Bug Fixes

• ConfigurationPropertySources.attach will always reattach when called multiple times #29409
• 'spring.config.import' placeholders can resolve from profile-specific documents when they should fail #29386
• Embedded launch script fails if jar is owned by an unknown user #29370
• Maven repackaging of a jar with a deeply nested package is prohibitively slow #29175
• @SpringBootTest does not use spring.main.web-application-type properties declared in test resource files #29169
• Warning from AprLifecycleListener when using Tomcat Native and Tomcat 9.0.55 or later #28814

:notebook_with_decorative_cover: Documentation

• Clarify documentation for RestTemplate customization #29394
• Refer to Maven Resolver rather than Aether #29255

:hammer: Dependency Upgrades

• Upgrade to HttpCore5 5.1.3 #29334
• Upgrade to Infinispan 12.1.11.Final #29335
• Upgrade to Jaybird 4.0.5.java8 #29336
• Upgrade to JBoss Logging 3.4.3.Final #29337
• Upgrade to Lettuce 6.1.6.RELEASE #29338
• Upgrade to Log4j2 2.17.1 #29183
• Upgrade to Logback 1.2.10 #29339
• Upgrade to MariaDB 2.7.5 #29496
• Upgrade to Maven Jar Plugin 3.2.2 #29340
• Upgrade to Micrometer 1.7.8 #29310
• Upgrade to MySQL 8.0.28 #29464
• Upgrade to Netty 4.1.73.Final #29341
• Upgrade to Netty tcNative 2.0.47.Final #29465
• Upgrade to Pooled JMS 1.2.3 #29466
• Upgrade to R2DBC Bom Arabba-SR12 #29391
• Upgrade to Reactor 2020.0.15 #29309
• Upgrade to SLF4J 1.7.33 #29392
• Upgrade to Spring AMQP 2.3.14 #29312
• Upgrade to Spring Data 2021.0.8 #29311
• Upgrade to Spring Framework 5.3.15 #29326
• Upgrade to Spring HATEOAS 1.3.7 #29352
• Upgrade to Spring Integration 5.5.8 #29314
• Upgrade to Spring Kafka 2.7.10 #29313
• Upgrade to Spring REST Docs 2.0.6.RELEASE #29321

:heart: Contributors

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

• @izeye
• @dreis2211
• @jprinet