2022-03-17 12:56:17 -05:00

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[[new]]
= What's New in Spring Security 5.7
Spring Security 5.7 provides a number of new features.
Below are the highlights of the release.
[[whats-new-servlet]]
== Servlet
* Web
** Introduced xref:servlet/authentication/persistence.adoc#requestattributesecuritycontextrepository[`RequestAttributeSecurityContextRepository`]
** Introduced xref:servlet/authentication/persistence.adoc#securitycontextholderfilter[`SecurityContextHolderFilter`] - Ability to require explicit saving of the `SecurityContext`
* OAuth 2.0 Client
** Allow configuring https://github.com/spring-projects/spring-security/issues/6548[PKCE for confidential clients]
** Allow configuring a https://github.com/spring-projects/spring-security/issues/9812[JWT assertion resolver] in `JwtBearerOAuth2AuthorizedClientProvider`
** Allow customizing claims on https://github.com/spring-projects/spring-security/issues/9855[JWT client assertions]
[[whats-new-webflux]]
== WebFlux
* Web
** Allow customizing https://github.com/spring-projects/spring-security/issues/10903[charset] in `ServerHttpBasicAuthenticationConverter`
* OAuth 2.0 Client
** Allow configuring https://github.com/spring-projects/spring-security/issues/6548[PKCE for confidential clients]
** Allow configuring a https://github.com/spring-projects/spring-security/issues/9812[JWT assertion resolver] in `JwtBearerReactiveOAuth2AuthorizedClientProvider`