Release v2.3.0.RELEASE · spring-projects/spring-boot

⭐ New Features

Update properties migrator to run on deprecated properties with warn level as well #21425
Provide more extensible constructors on UndertowServletWebServer and UndertowWebServer #21391
Add redis sentinel password property #21353
Auto-configure a LifecycleProcessor with a configurable timeout per shutdown phase #21347
Integrate web server graceful shutdown into the application context's lifecycle processing #21325
Improve backwards compatibility of ErrorAttributes and DefaultErrorAttributes #21324
Align logback's behavior with log4j2 when getting a logger that doesn't exist #21292
Use CNB creator all-in-one lifecycle #21273
Optimize StringSequence.startsWith #21259
Deregister JDBC drivers during undeploy of a war deployment #21221
Add Period converter support #21136
Improve binding performance when using a large number of property sources #20625
Add @WebServiceClientTest annotation that can be used when testing SOAP clients #17274

CLI distribution is missing read rights #21451
Custom converters cannot be used when creating endpoint-related beans due to eager initialization triggered by ServletEndpointRegistrar #21444
Different actuator management server port changes response on errors #21428
Performance regression between RC1 and latest snapshots with large amount of configuration properties #21416
Dependency exclusions declared in spring-boot-dependencies have no effect when using Gradle 6 #21350
Unclear default for 'server.tomcat.use-relative-redirects' #21343
CreateBootStartScripts causes a warning to be logged with Gradle 6.4 #21341
When a request is active, Undertow prevents the JVM from exiting #21327
When using log4j2 log4j2-test.* files are not detected #21323
Classpath wildcards cannot be used with Java 11 or above #21321
Implementation attributes are missing from Maven shade transformer configuration in spring-boot-starter-parent #21304
The @ActiveProfiles annotation no longer overrides those defined in property files #21302
Layertools list and extract commands ignore empty layers #21301
Binder @DefaultValue does not work with PropertyEditor converters #21294
developmentOnly configuration excludes jar files from fat jar #21288
Connection fails when DOCKER_HOST set to local socket #21173
Environment variable that does not follow guidelines for use of _ is still successfully bound if another property source contains a property that is bound to the same target #14479

Fix capitalization of Testcontainers in Howto docs #21417
Document use case of splitting auto-configuration and starter #21367
Align TestRestTemplate Javadoc with documentation #21364
Fix typo for includeLayerTools #21310
Fix duplicate slashes in URL links #21108
Update link to new Spring Security docs location #21040
Remove version number from author section of the documentation #20934
Add more context to the Kubernetes container lifecycle documentation #20932
Document that graceful shutdown with Tomcat requires Tomcat 9.0.33 or later #20886
Add a testcontainers section in the reference docs #20734
Remove packages from the javadoc that are not user-facing #20517

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