Update docs for -release to make it clear it accepts recent Java versions
#3009
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…rsions The old displayed values of `6, 7, 8, 9` are confusing for developers contemplating updating to recent Java versions like `21` - eg from https://github.com/guardian/mobile-save-for-later/pull/109/files#r1559390842 : > I was getting an error that -release:21 is not a valid compiler option when I ran the code. Looking at the docs: https://docs.scala-lang.org/overviews/compiler-options/ my understanding is that this is not supported for Java 21. That's wrong, as newer Java versions definitely are supported by the `-release` Scala compiler parameter - so it's best to clarify that!
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The old displayed values of
6, 7, 8, 9are confusing for developers contemplating updating to recent Java versions like21- eg :That's an incorrect understanding from the docs, as newer Java versions definitely are supported by the
-releaseScala compiler parameter - so it's best to clarify that!In this case, the developer was getting the error because they were accidentally running with an older Java version (the compiler error could probably be clearer there too).