Set the Java Release Version to 21 #3522
Merged
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I talked with @WolframPfeifer. For eons, we agreed to go with Java 21 after the next release. The release happened, so it is time for the new Java version.
As a reminder: Java 21 was released in Sept 2023. It is the latest LTS release. The feature differences are or see here:
Upcoming relevant Java features are Primitive Types in Patterns, instanceof, and switch (Preview), Statements before super(...) (Preview), Markdown Documentation Comments, Stream Gatherers (Second Preview), Structured Concurrency (Third Preview)