spring-projects/spring-boot v2.6.0-RC1 on GitHub

⭐ New Features

Expose Stackdriver's useSemanticMetricTypes property #28403
Expose Elastic's apiKeyCredentials property #28400
Do not auto-configure a UserDetailsService when an AuthenticationManagerResolver bean is present #28361
Provide a configuration property for enabling/disabling Spring Integration's default logging #28355
Disable the environment info contributor by default #28311
Add option to customize build cache volume names #28292
Log URLs for all DataSources when H2 Console is auto-configured #28204
Defer OIDC lookup until first use of the issuer location JwtDecoder #28169
Java Info Contributor #28136
@Persistent should not be considered when scanning for Couchbase entities #28124
Support PEM format for Kafka SSL certificates and private key #28123
Improve action in failure analysis of BeanCurrentlyInCreationException when user has already allowed circular references #27735
Add option to create tags for the built image #27613
Allow individual build info properties to be excluded #27412
Add support for log4j2 composite configuration #27110
Add more session cookie properties for reactive web servers #26714
Improve support for jOOQ 3.15 by making R2dbcAutoConfiguration back off in the absence of a connection provider #26439
Support SameSite attributes on session Cookies for Servlet-based applications #20971

Misleading failure analysis when jOOQ's DSLContext is unavailable due to R2DBC taking precedence over JDBC #28380
Devtools restart fails with in-memory R2DBC database and SQL initialization scripts #28377
When lazy initialization is enabled, JMX endpoints are not available #28372
JarFileWrapper may cause many FinalReferences causing GC pressure #28357
Flattened VCAP_SERVICES properties are not sanitized by default #28354
MeterValue with "d" suffix not parsed as Duration for timer #28352
CachingOperationInvoker cache can consume a significant amount of heap space #28348
ActiveMQ starter depends on org.apache.geronimo.specs:geronimo-j2ee-management_1.1_spec #28341
spring-boot-starter-oauth2-client has an unnecessary dependency on com.sun.mail:jakarta.mail #28334
Configuring spring.flyway.script-placeholder-suffix has no effect #28307
Fix Integration fixedRate property setting #28237
Broken content negotiation for OpenMetrics #28198
Layertools extract does not preserve last modified and last access times #28191
R2DBC ConnectionFactory bean silently not created when enabling pooling through R2DBC URL and properties #28144
NumberFormatException when configuring spring.rabbitmq.addresses with an IPv6 address #28135
Application fails to start with excluded health endpoint when JMX is enabled #28131
NoSuchMethodError from oracle.ucp.jdbc.PoolDataSource.getPassword() when deriving a DataSource from a UCP PoolDataSourceImpl #28127

Don't use markdown syntax in javadoc or error messages #28425
Spring Security reference doc links not working #28407
Fix typo in EnvironmentPostProcessor's class-level javadoc #28383
Remove obsolete info about Spring Integration's metrics support #28381
Update docs to be explicit about dot notation being correctly mapped #28202
Section 4.4 File Rotation mentions the wrong configuration file name for Log4j2 #28194
Update Javadoc with note mentioning that class using ConstructorBinding must be enabled using annotations #28172
Make it clearer that, when using @AutoConfigureTestEntityManager outside of @DataJpaTest, any tests using the test entity manager must be @Transactional #28160
Replace latin locutions in the documentation #28141
Polish descriptions of spring.integration.poller configuration properties #28126
Update examples in the Dynatrace documentation #27502

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