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The purpose of this article is to share with you what improvements have been made to the official release of Spring Boot 2.3.4.RELEASE. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Upgrade announcement

A new version of Spring Boot has been released, and the latest version of 2.3.4.RELEASE

Upgrade content 1.Bug repair

@ ManagementContextConfiguration with meta comments, @ Configuration (proxyBeanMethods=false) does not disable proxy # 23305

Signed jar dependency performance issues # 23264 when repackaged in a single jar

ValidationHandler is no longer available for some mapping keys # 23260

The MVC error model unnecessarily requires that the timestamp entry be java.util.Date # 23258

Missing cleanup function # 23252 in the list of URI attributes on the actuator endpoint

Cassandra's pool duration mapping uses the wrong duration unit # 23249

When using HSQLDB, when the first connection is retrieved from the pool, Hikari logs a warning message about the driver class name # 23203

ErrorPageFilter is no longer ordered at HIGHEST_PRECEDENCE + 1 # 23200

Spring-boot-dependencies should not define spring-boot.version attribute # 23174

PropertiesLauncher could not load PBKDF-OpenSSL # 23165 of bcprov-jdk15on-1.64.jar

The configurable SSL Logback extension # 23135 is not supported due to URL checking

Image construction support does not populate the summary hash to 64 characters # 23132

Error loading temporary image, image generator failed unprompted # 23130

Due to node restrictions, large files may cause YAMLException # 23096

RSocketPortInfoApplicationContextInitializer can raise NPE # 23087

UndertowWebServerFactoryCustomizer needs to share the common language # 23063 through unexpected imports on ClassUtils

JarFile may cause memory problems when running on Java 11 + # 22998

Dependency Convergence error # 22996 of nimbus-jose-jwt depending on spring-boot-starter-oauth3-client

LayoutFactory can be displayed as an empty source file # 22995

The order of automatic configuration of metrics is incorrect # 22989

The @ TypeExcludeFilters comment is not @ Inherited # 22966

Exception inclusion # 22750 cannot be disabled when subclassing DefaultErrorAttributes and using its deprecated constructor

Too many logs are recorded when building OCI images using Maven # 22674

two。 Literature materials

Document # 23243 recording @ ConfigurationProperties that did not scan beans in slicing test

Fix document # 23074 about Elasticsearch client configuration

An example of an Actuator custom endpoint is provided in reference document # 23060

Mention the correct JUnit 5 comments in Kotlin Test Section # 23004

The document shows that using layertools to extract layers is not suitable for executable JAR files # 22993

Javadoc error in SpringApplicationBuilder.properties (attribute) # 22964

Correct typos Assert4J- > AssertJ # 22960

Documentation, indicating that the computer cannot be shut down properly from IDE # 22959

Fix spelling errors in the document # 22945

Fix Gradle plug-in custom image name example and document # 22918

Record how to use spring.factories to add automatic configuration to test piece # 22531

Update the documentation for the Maven plug-in to note the importance of configuring the start and stop goals with the same JMX port # 22401

Record how to perform tasks after the application starts # 22100

Documentation from compiler plug-in version # 21796 sets the buildpack Java version

Buildpacks's documentation uses non-root users to build container images and run container # 21122

two。 Dependent upgrade

Upgrade to Micrometer 1.5.5 # 23393

Upgrade to Spring REST Docs 2.0.5.RELEASE # 23376

Upgrade to Spring AMQP 2.2.11 # 23373

Upgrade to Spring WS 3.0.10.RELEASE # 23339

Upgrade to Spring HATEOAS 1.1.2.RELEASE # 23338

Upgrade to Lettuce 5.3.4.RELEASE # 23337

Upgrade to Undertow 2.1.4.Final # 23318

Upgrade to Tomcat 9.0.38 # 23317

Upgrade to R2DBC Bom Arabba-SR7 # 23316

Upgrade to Postgresql 42.2.16 # 23315

Upgrade to Netty tcNative 2.0.34.Final # 23314

Upgrade to Netty 4.1.52.Final # 23313

Upgrade to Neo4j OGM 3.2.16 # 23312

Upgrade to Hibernate 5.4.21.Final # 23311

Upgrade to Hazelcast 3.12.9 # 23310

Upgrade to Flatten Maven Plugin 1.2.5 # 23309

Upgrade to Couchbase Client 3.0.8 # 23308

Upgrade to AppEngine SDK 1.9.82 # 23307

Upgrade to Spring Kafka 2.5.6 # 23199

Upgrade to Spring Data Neumann-SR4 # 23196

Upgrade to Reactor Dysprosium-SR12 # 23192

Upgrade to Spring Session Dragonfruit-SR1 # 23187

Upgrade to Spring Framework 5.2.9 # 23183

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