The last commit is from 4 years ago, so probably yes.
A NoClassDefFound in the standard library namespace (it doesn’t find scala.Product) is most likely caused by the library being compiled against an older Scala version than you use in your project. This library also uses the single % for its sbt dependency in the doc, meaning it doesn’t have different artifacts on maven for different scala versions. The POM in the repo is using Scala 2.11, so it’s not compatible with Scala 2.12.
You could try to compile the library against 2.12, but your best bet is probably to look for a more current plotting library.