Current Framework 5.3.x generation has a Java 8 + Java EE7 baseline but tracks recent APIs and Java versions. This is the LTS generation Spring Boot 2.6 and 2.7 will be based on.
First 6.0 milestone by the end of 2021.
Spring Framework 6.0: Java 17 + Jakarta EE 9 baseline.
The Spring team recommends an upgrade to Java 17 LTS, getting all the performance and language benefits.
The 6.x line will follow further with Java & Jakarta evolution.
Main themes for this new major version:
* GraalVM Native support (+ JVM benefits)
* Obervability API efforts
* Pruning (APIs, outdated core container features or EE integrations)
The Spring team is listening to the community for feedback about backward compatibility concerns, core container pattern usage, baseline upgrade, etc.
The first 6.0.0-M1 will be available for testing by the end of the year!
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