Spring v7.0.0-M6 and v6.1.21 released!

[NewsBot]

Spring v7.0.0-M6 and v6.1.21 has been released.

New Features

• Allow FixedBackOff to be constructed with only a custom interval #35028
• Use String.replace in MetadataEncoder #35025
• Revise @Nullable declarations for contains*() methods in CollectionUtils #35023
• Introduce JacksonJsonMessageConverter.getObjectMapper() #34963
• Remove (String, String) variants of setProperty() and withProperty() from MockEnvironment #34948
• Allow access to env from SupplierContextDsl #34943
• Consistently declare nullability @Contract for core utilities #34934
• Update HttpServiceGroupConfigurer API #34926
• Make ProblemDetailJacksonXmlMixin compatible with Jackson 3 #34925
• Introduce hints in RestClient API #34924
• Add Kotlin body advices #34923
• Add support for callable references to BeanRegistrarDsl #34922
• Additional updates for API versioning in test and client support #34919
• Define nullability @Contract for quote and getFilename in StringUtils #34896
• Support @Import on interfaces [#34820](https://github.com/spring-projects/spring-fra…

Link: Release v7.0.0-M6 · spring-projects/spring-framework · GitHub

Bug Fixes

• Encode non-printable character in Content-Disposition parameter #35035
• Allow update of existing WebSession after max sessions limit is reached #35018
• Enhanced configuration class fails to call package-visible superclass constructor on WebSphere #34951

Dependency Upgrades

• Upgrade to Reactor 2023.0.19 #35022

Link: Release v6.1.21 · spring-projects/spring-framework · GitHub