Upgrading to 3.x
随着新的大版本发布，Spring Session 团队借此机会做出了一些非消极变化。这些变化的重点是改进和协调 Spring Session API，并移除弃用的组件。
With the new major release version, the Spring Session team took the opportunity to make some non-passive changes. The focus of these changes is to improve and harmonize Spring Session’s APIs as well as remove the deprecated components.
Baseline Update
Spring Session 3.0 要求 Java 17 和 Spring Framework 6.0 作为基线，因为其整个代码库现在都基于 Java 17 源代码。有关升级 Spring Framework 的更多信息，请参见 Upgrading to Spring Framework 5.x。
Spring Session 3.0 requires Java 17 and Spring Framework 6.0 as a baseline, since its entire codebase is now based on Java 17 source code. See Upgrading to Spring Framework 5.x for more on upgrading Spring Framework.