JLS 12 sits in the period where preview features became part of normal language evolution, allowing the spec to iterate more visibly release by release.
JLS 12 sits in the period where preview features became part of normal language evolution, allowing the spec to iterate more visibly release by release.
Supported the newer process in which syntax can be previewed, refined, and later finalized.
It made the spec feel more alive and more closely tied to the JEP pipeline.
This is one of the editions that reflects process evolution as much as language evolution.
Useful when studying how Java adopted a safer path for rolling out source-language change.