⭐ New Features

• Improve diagnostics in SpEL for matches operator #30144
• Improve diagnostics in SpEL for repeated text #30142
• Increase scope of regex pattern cache for the SpEL matches operator #30140
• Minor updates in HandlerMappingIntrospector #30127
• Skip parameter name resolution when not needed in AbstractAutowireCapableBeanFactory #30103
• Remove extra copy of headers/cookies in WebClient #30092
• Assert non-null arguments in DefaultServerRequestBuilder methods #30046
• Jetty 12 support in WebFlux #29575

🐞 Bug Fixes

• Gradle task processAot fails when Bean Validation API present but no provider found #30130
• ContentDisposition::parse does not support Windows paths #30111
• BindException raised instead of MethodArgumentNotValidException subclass #30100
• Ensure reactive transaction rollback on commit error #30096
• CaffeineCacheManager getCache method cause thread block #30066
• RequestedContentTypeResolver does not ignore quality factor when filtering */* media types #29915
• @Autowired/@Value does not work on inner bean in native #29803
• Avoid rollback after a commit failure in TransactionalOperator #27572
• SpEL: cannot call methods declared in java.lang.Object on a JDK proxy #25316

📔 Documentation

• Add anchor rewrites in the reference documentation #30132
• Fix minor spacings in webflux docs #30078
• Add a list of observations produced by Spring Framework #30060

🔨 Dependency Upgrades

• Upgrade to Reactor 2022.0.5 #30133

❤️ Contributors

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

@EnricSala, @MrCoffee77, @abelsromero, @edyda99, @liupeng12345, @srivatsa-cfp, and @yuzawa-san