spring-security/docs/modules/ROOT/pages/whats-new.adoc

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= What's New in Spring Security 6.3

Spring Security 6.3 provides a number of new features.
Below are the highlights of the release.

== Configuration

- https://github.com/spring-projects/spring-security/issues/6192[gh-6192] - xref:reactive/authentication/concurrent-sessions-control.adoc[docs] Add Concurrent Sessions Control on WebFlux

== CAS

- https://github.com/spring-projects/spring-security/pull/14193[gh-14193] - Added support for CAS Gateway Authentication