I am not in favor of more system properties to switch behavior all around. If
sealed classes are of interest, then a Java 17 JVM is a reasonable requirement.
I think this can be applied to records, switch expressions, etc. To keep it
simple, require the minimum Java version that supports a fe
I will concur in part and disagree in part with Eric: I think that as a
broad rule it makes sense to baseline, but on JDK LTS releases, which it
happens 17 is.
That said, 17 seems likely to finally introduce serious breaking changes
that have been warned about for a decade, and I absolutely predic
