diff --git a/.scalafmt.conf b/.scalafmt.conf
index b85cfc3902..607bd8dd53 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 2.0.0-RC5
+version = 2.0.0-RC7
 
 style = defaultWithAlign
 
diff --git a/akka-actor-tests/src/test/scala/akka/actor/LocalActorRefProviderSpec.scala b/akka-actor-tests/src/test/scala/akka/actor/LocalActorRefProviderSpec.scala
index 7b70fb9f27..ab632d2de3 100644
--- a/akka-actor-tests/src/test/scala/akka/actor/LocalActorRefProviderSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/actor/LocalActorRefProviderSpec.scala
@@ -131,8 +131,9 @@ class LocalActorRefProviderSpec extends AkkaSpec(LocalActorRefProviderSpec.confi
       for (i <- 0 until 100) {
         val address = "new-actor" + i
         implicit val timeout = Timeout(5 seconds)
-        val actors = for (_ <- 1 to 4)
-          yield Future(system.actorOf(Props(new Actor { def receive = { case _ => } }), address))
+        val actors =
+          for (_ <- 1 to 4)
+            yield Future(system.actorOf(Props(new Actor { def receive = { case _ => } }), address))
         val set = Set() ++ actors.map(a =>
             Await.ready(a, timeout.duration).value match {
               case Some(Success(_: ActorRef))                  => 1
diff --git a/akka-actor-tests/src/test/scala/akka/actor/SchedulerSpec.scala b/akka-actor-tests/src/test/scala/akka/actor/SchedulerSpec.scala
index 04e662942c..6592551b87 100644
--- a/akka-actor-tests/src/test/scala/akka/actor/SchedulerSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/actor/SchedulerSpec.scala
@@ -298,11 +298,10 @@ trait SchedulerSpec extends BeforeAndAfterEach with DefaultTimeout with Implicit
       }
       val latencies = within(10.seconds) {
         for (i <- 1 to N)
-          yield
-            try expectMsgType[Long]
-            catch {
-              case NonFatal(e) => throw new Exception(s"failed expecting the $i-th latency", e)
-            }
+          yield try expectMsgType[Long]
+          catch {
+            case NonFatal(e) => throw new Exception(s"failed expecting the $i-th latency", e)
+          }
       }
       val histogram = latencies.groupBy(_ / 100000000L)
       for (k <- histogram.keys.toSeq.sorted) {
@@ -371,11 +370,10 @@ class LightArrayRevolverSchedulerSpec extends AkkaSpec(SchedulerSpec.testConfRev
       println(cancelled)
       val latencies = within(10.seconds) {
         for (i <- 1 to (N - cancelled))
-          yield
-            try expectMsgType[Long]
-            catch {
-              case NonFatal(e) => throw new Exception(s"failed expecting the $i-th latency", e)
-            }
+          yield try expectMsgType[Long]
+          catch {
+            case NonFatal(e) => throw new Exception(s"failed expecting the $i-th latency", e)
+          }
       }
       val histogram = latencies.groupBy(_ / 100000000L)
       for (k <- histogram.keys.toSeq.sorted) {
diff --git a/akka-actor-tests/src/test/scala/akka/pattern/CircuitBreakerMTSpec.scala b/akka-actor-tests/src/test/scala/akka/pattern/CircuitBreakerMTSpec.scala
index a9976fca08..f333292ec6 100644
--- a/akka-actor-tests/src/test/scala/akka/pattern/CircuitBreakerMTSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/pattern/CircuitBreakerMTSpec.scala
@@ -37,18 +37,17 @@ class CircuitBreakerMTSpec extends AkkaSpec {
     def testCallsWithBreaker(): immutable.IndexedSeq[Future[String]] = {
       val aFewActive = new TestLatch(5)
       for (_ <- 1 to numberOfTestCalls)
-        yield
-          breaker
-            .withCircuitBreaker(Future {
+        yield breaker
+          .withCircuitBreaker(Future {
+            aFewActive.countDown()
+            Await.ready(aFewActive, 5.seconds.dilated)
+            "succeed"
+          })
+          .recoverWith {
+            case _: CircuitBreakerOpenException =>
               aFewActive.countDown()
-              Await.ready(aFewActive, 5.seconds.dilated)
-              "succeed"
-            })
-            .recoverWith {
-              case _: CircuitBreakerOpenException =>
-                aFewActive.countDown()
-                Future.successful("CBO")
-            }
+              Future.successful("CBO")
+          }
     }
 
     "allow many calls while in closed state with no errors" in {
diff --git a/akka-cluster-metrics/src/main/scala/akka/cluster/metrics/Metric.scala b/akka-cluster-metrics/src/main/scala/akka/cluster/metrics/Metric.scala
index 66f81888fe..53d099d318 100644
--- a/akka-cluster-metrics/src/main/scala/akka/cluster/metrics/Metric.scala
+++ b/akka-cluster-metrics/src/main/scala/akka/cluster/metrics/Metric.scala
@@ -131,13 +131,12 @@ object StandardMetrics {
       for {
         used <- nodeMetrics.metric(HeapMemoryUsed)
         committed <- nodeMetrics.metric(HeapMemoryCommitted)
-      } yield
-        (
-          nodeMetrics.address,
-          nodeMetrics.timestamp,
-          used.smoothValue.longValue,
-          committed.smoothValue.longValue,
-          nodeMetrics.metric(HeapMemoryMax).map(_.smoothValue.longValue))
+      } yield (
+        nodeMetrics.address,
+        nodeMetrics.timestamp,
+        used.smoothValue.longValue,
+        committed.smoothValue.longValue,
+        nodeMetrics.metric(HeapMemoryMax).map(_.smoothValue.longValue))
     }
 
   }
@@ -183,14 +182,13 @@ object StandardMetrics {
         nodeMetrics: NodeMetrics): Option[(Address, Long, Option[Double], Option[Double], Option[Double], Int)] = {
       for {
         processors <- nodeMetrics.metric(Processors)
-      } yield
-        (
-          nodeMetrics.address,
-          nodeMetrics.timestamp,
-          nodeMetrics.metric(SystemLoadAverage).map(_.smoothValue),
-          nodeMetrics.metric(CpuCombined).map(_.smoothValue),
-          nodeMetrics.metric(CpuStolen).map(_.smoothValue),
-          processors.value.intValue)
+      } yield (
+        nodeMetrics.address,
+        nodeMetrics.timestamp,
+        nodeMetrics.metric(SystemLoadAverage).map(_.smoothValue),
+        nodeMetrics.metric(CpuCombined).map(_.smoothValue),
+        nodeMetrics.metric(CpuStolen).map(_.smoothValue),
+        processors.value.intValue)
     }
 
   }
diff --git a/akka-persistence/src/test/scala/akka/persistence/PersistenceSpec.scala b/akka-persistence/src/test/scala/akka/persistence/PersistenceSpec.scala
index 1170598a7f..e8ed88b75e 100644
--- a/akka-persistence/src/test/scala/akka/persistence/PersistenceSpec.scala
+++ b/akka-persistence/src/test/scala/akka/persistence/PersistenceSpec.scala
@@ -117,11 +117,10 @@ trait PersistenceMatchers {
         nrs = seq.map(_.replaceFirst(prefixes(pos), "").toInt)
         sortedNrs = nrs.sorted
         if nrs != sortedNrs
-      } yield
-        MatchResult(
-          false,
-          s"""Messages sequence with prefix ${prefixes(pos)} was not sorted! Was: $seq"""",
-          s"""Messages sequence with prefix ${prefixes(pos)} was sorted! Was: $seq"""")
+      } yield MatchResult(
+        false,
+        s"""Messages sequence with prefix ${prefixes(pos)} was not sorted! Was: $seq"""",
+        s"""Messages sequence with prefix ${prefixes(pos)} was sorted! Was: $seq"""")
 
       if (results.forall(_.matches)) MatchResult(true, "", "")
       else results.find(r => !r.matches).get