spring-projects/spring-framework v6.0.0-RC3 on GitHub

⭐ New Features

Support @RequestPart arguments for @HttpExchange methods #29420
Processing of charset in Content-Type Header not case-insensitive #29416
Allow for external customization and i8n of the "title" of an RFC 7807 response #29407
Automatically register directories for registered resource hints #29403
Allow registration of resource hint for root directory #29402
Load ApplicationContextFailureProcessor implementations from spring.factories #29387
Simplify mapping of custom exception to an RFC 7807 response in ResponseEntityExceptionHandler #29384
Introduce SimpleValueStyler for use with ToStringCreator #29381
Make DefaultValueStyler extensible #29380
Introduce DataFieldMaxValueIncrementer for MariaDB #29379
Handle case where ResponseEntity and ProblemDetail don't agree on the HTTP status to use #29378
Provide AOT support for HttpServiceProxyFactory clients #29271
Revise logging in the TestContext framework #29229

Align server observation contextual names with OTel semantic conventions #29424
Matching path pattern is not set in reactive ServerRequestObservationContext #29422
PartEvent upload fails with JdkClientHttpConnector #29400
Native image FileSystem should not be closed after classpath scanning #29397
AOT processing loses bean aliases #29391
WebClient and WebFlux Observation do not propagate context #29388
HttpServiceProxyFactory raises IllegalStateException if created through the builder and declared as a bean #29376
Multiple @ImportRuntimeHints in the type hierarchy should be supported #29361

Thank you to all the contributors who worked on this release: