Compatibility, Interoperability, Migration, Scala3, Syntax Changes.
this: scalacOptions ++= (if (scalaVersion.value.startsWith("3")) Seq("-explain-types") else Seq("-explaintypes", "-Wunused")) Migrate the syntax command: migrate-syntax projectId This step is to fix the syntax incompatibilities that may arise when migrating code from Scala 2.13 to Scala 3. An