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Guillaume Massé commented on SPARK-25075: ----------------------------------------- Supporting both Scala 2.12 and Scala 2.13 will be an interesting chalenge. You can take a look at our work in Akka: [https://github.com/akka/akka/pull/26043.] To make the transition easier, there is a library and a bunch of scalafix migration rules. Take a look at: [https://github.com/scala/scala-collection-compat.] See also the migration guide at: [https://docs.scala-lang.org/overviews/core/collections-migration-213.html] I took a quick look, and there is a few Traversable instances in the public API. There is also a bunch of scala.Seq. This will makes things harder to migrate. Based on the version policy (https://spark.apache.org/versioning-policy.html), this would require a bump to Spark 4.X > Build and test Spark against Scala 2.13 > --------------------------------------- > > Key: SPARK-25075 > URL: https://issues.apache.org/jira/browse/SPARK-25075 > Project: Spark > Issue Type: Umbrella > Components: Build, Project Infra > Affects Versions: 3.0.0 > Reporter: Guillaume Massé > Priority: Major > > This umbrella JIRA tracks the requirements for building and testing Spark > against the current Scala 2.13 milestone. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org