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Re:Scala 2.12.0 is now available by lmm on Thursday November 03, 2016 @06:05PM (#12868426)
> There's no guarantee about Java either. This class compiles with Java 7, but not with Java 8:

Ok, but you can compile it with the newer compiler by passing -source 1.7, right? And you can call into it from 1.8 code?

Re:Scala 2.12.0 is now available by paulddraper on Friday November 04, 2016 @01:23PM (#12874263)
Yes, binary compatibility is maintained in this case.