diff --git a/build.sbt b/build.sbt
index fb6db259f..fe699f27c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -24,7 +24,7 @@ def buildLevelSettings: Seq[Setting[_]] = Seq(
 )
 
 def commonSettings: Seq[Setting[_]] = Seq(
-  scalaVersion := "2.10.4",
+  scalaVersion := scala210,
   publishArtifact in packageDoc := false,
   publishMavenStyle := false,
   componentID := None,
@@ -387,7 +387,7 @@ lazy val scriptedBaseProj = (project in scriptedPath / "base").
   )
 
 lazy val scriptedSbtProj = (project in scriptedPath / "sbt").
-  dependsOn (ioProj, logProj, processProj, scriptedBaseProj).
+  dependsOn (ioProj, logProj, processProj, scriptedBaseProj, interfaceProj).
   settings(
     baseSettings,
     name := "Scripted sbt",
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 079fb3a53..efb98ec27 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -5,8 +5,8 @@ object Dependencies {
   lazy val scala282 = "2.8.2"
   lazy val scala292 = "2.9.2"
   lazy val scala293 = "2.9.3"
-  lazy val scala210 = "2.10.4"
-  lazy val scala211 = "2.11.1"
+  lazy val scala210 = "2.10.5"
+  lazy val scala211 = "2.11.6"
 
   lazy val jline = "jline" % "jline" % "2.11"
   lazy val ivy = "org.scala-sbt.ivy" % "ivy" % "2.3.0-sbt-fccfbd44c9f64523b61398a0155784dcbaeae28f"
diff --git a/project/Scripted.scala b/project/Scripted.scala
index 7bc462f6b..17a5459e1 100644
--- a/project/Scripted.scala
+++ b/project/Scripted.scala
@@ -57,15 +57,30 @@ object Scripted {
       (token(Space) ~> (PagedIds | testIdAsGroup)).* map (_.flatten)
     }
 
+  // Interface to cross class loader
+  type SbtScriptedRunner = {
+    def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], bootProperties: File,
+      launchOpts: Array[String], prescripted: java.util.List[File]): Unit
+  }
+
   def doScripted(launcher: File, scriptedSbtClasspath: Seq[Attributed[File]], scriptedSbtInstance: ScalaInstance, sourcePath: File, args: Seq[String], prescripted: File => Unit) {
     System.err.println(s"About to run tests: ${args.mkString("\n * ", "\n * ", "\n")}")
     val noJLine = new classpath.FilteredLoader(scriptedSbtInstance.loader, "jline." :: Nil)
     val loader = classpath.ClasspathUtilities.toLoader(scriptedSbtClasspath.files, noJLine)
-    val m = ModuleUtilities.getObject("sbt.test.ScriptedTests", loader)
-    val r = m.getClass.getMethod("run", classOf[File], classOf[Boolean], classOf[Array[String]], classOf[File], classOf[Array[String]], classOf[File => Unit])
+    val bridgeClass = Class.forName("sbt.test.ScriptedRunner", true, loader)
+    val bridge = bridgeClass.newInstance.asInstanceOf[SbtScriptedRunner]
     val launcherVmOptions = Array("-XX:MaxPermSize=256M") // increased after a failure in scripted source-dependencies/macro
-    try { r.invoke(m, sourcePath, true: java.lang.Boolean, args.toArray[String], launcher, launcherVmOptions, prescripted) }
-    catch { case ite: java.lang.reflect.InvocationTargetException => throw ite.getCause }
+    try {
+      // Using java.util.List to encode File => Unit.
+      val callback = new java.util.AbstractList[File] {
+        override def add(x: File): Boolean = {
+          prescripted(x)
+          false
+        }
+        def get(x: Int): sbt.File = ???
+        def size(): Int = 0
+      }
+      bridge.run(sourcePath, true, args.toArray, launcher, launcherVmOptions, callback)
+    } catch { case ite: java.lang.reflect.InvocationTargetException => throw ite.getCause }
   }
-
-}
\ No newline at end of file
+}
diff --git a/project/p.sbt b/project/p.sbt
index 1524ca243..b2b8e4830 100644
--- a/project/p.sbt
+++ b/project/p.sbt
@@ -1,3 +1,5 @@
+scalaVersion := "2.10.5"
+
 libraryDependencies ++= Seq(
   "net.databinder" %% "dispatch-http" % "0.8.9",
   "org.jsoup" % "jsoup" % "1.7.1"
diff --git a/scripted/sbt/src/main/scala/sbt/test/ScriptedTests.scala b/scripted/sbt/src/main/scala/sbt/test/ScriptedTests.scala
index 0e14c80be..a3954659c 100644
--- a/scripted/sbt/src/main/scala/sbt/test/ScriptedTests.scala
+++ b/scripted/sbt/src/main/scala/sbt/test/ScriptedTests.scala
@@ -13,7 +13,7 @@ import xsbt.test.{ CommentHandler, FileCommands, ScriptRunner, TestScriptParser
 import IO.wrapNull
 
 final class ScriptedTests(resourceBaseDirectory: File, bufferLog: Boolean, launcher: File, launchOpts: Seq[String]) {
-  import ScriptedTests.emptyCallback
+  import ScriptedTests._
   private val testResources = new Resources(resourceBaseDirectory)
 
   val ScriptFilename = "test"
@@ -46,6 +46,7 @@ final class ScriptedTests(resourceBaseDirectory: File, bufferLog: Boolean, launc
       }
     }
   }
+
   private def scriptedTest(label: String, testDirectory: File, prescripted: File => Unit, log: Logger): Unit =
     {
       val buffered = new BufferedLogger(new FullLogger(log))
@@ -94,9 +95,9 @@ final class ScriptedTests(resourceBaseDirectory: File, bufferLog: Boolean, launc
       } finally { buffered.clear() }
     }
 }
-object ScriptedTests {
-  val emptyCallback: File => Unit = { _ => () }
 
+object ScriptedTests extends ScriptedRunner {
+  val emptyCallback: File => Unit = { _ => () }
   def main(args: Array[String]) {
     val directory = new File(args(0))
     val buffer = args(1).toBoolean
@@ -108,19 +109,27 @@ object ScriptedTests {
     val logger = ConsoleLogger()
     run(directory, buffer, tests, logger, bootProperties, Array(), emptyCallback)
   }
+}
+
+class ScriptedRunner {
+  import ScriptedTests._
+
   def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], bootProperties: File,
     launchOpts: Array[String]): Unit =
     run(resourceBaseDirectory, bufferLog, tests, ConsoleLogger(), bootProperties, launchOpts, emptyCallback) //new FullLogger(Logger.xlog2Log(log)))
 
+  // This is called by project/Scripted.scala
+  // Using java.util.List[File] to encode File => Unit
   def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], bootProperties: File,
-    launchOpts: Array[String], prescripted: File => Unit): Unit =
-    run(resourceBaseDirectory, bufferLog, tests, ConsoleLogger(), bootProperties, launchOpts, prescripted) //new FullLogger(Logger.xlog2Log(log)))
+    launchOpts: Array[String], prescripted: java.util.List[File]): Unit =
+    run(resourceBaseDirectory, bufferLog, tests, ConsoleLogger(), bootProperties, launchOpts,
+      { f: File => prescripted.add(f); () }) //new FullLogger(Logger.xlog2Log(log)))
 
-  def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], logger: AbstractLogger, bootProperties: File,
+  def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], logger: xsbti.Logger, bootProperties: File,
     launchOpts: Array[String]): Unit =
     run(resourceBaseDirectory, bufferLog, tests, logger, bootProperties, launchOpts, emptyCallback)
 
-  def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], logger: AbstractLogger, bootProperties: File,
+  def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], logger: xsbti.Logger, bootProperties: File,
     launchOpts: Array[String], prescripted: File => Unit) {
     val runner = new ScriptedTests(resourceBaseDirectory, bufferLog, bootProperties, launchOpts)
     val allTests = get(tests, resourceBaseDirectory, logger) flatMap {