diff --git a/build.sbt b/build.sbt
index 149b03398e..cc4e2d361b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -31,6 +31,8 @@ val kindProjectorVersion = "0.10.3"
 
 lazy val commonScalaVersionSettings = Seq(scalaVersion := "2.11.12")
 
+ThisBuild / mimaFailOnNoPrevious := false
+
 lazy val commonSettings = commonScalaVersionSettings ++ Seq(
   scalacOptions ++= commonScalacOptions(scalaVersion.value),
   resolvers ++= Seq(Resolver.sonatypeRepo("releases"), Resolver.sonatypeRepo("snapshots")),
@@ -347,7 +349,18 @@ def mimaSettings(moduleName: String) =
           exclude[IncompatibleMethTypeProblem]("cats.arrow.FunctionKMacros.lift"),
           exclude[MissingTypesProblem]("cats.arrow.FunctionKMacros$"),
           exclude[IncompatibleMethTypeProblem]("cats.arrow.FunctionKMacros#Lifter.this"),
-          exclude[IncompatibleResultTypeProblem]("cats.arrow.FunctionKMacros#Lifter.c")
+          exclude[IncompatibleResultTypeProblem]("cats.arrow.FunctionKMacros#Lifter.c"),
+          exclude[DirectMissingMethodProblem]("cats.arrow.FunctionKMacros.compatNewTypeName")
+        ) ++ //package private classes no longer needed
+        Seq(
+          exclude[MissingClassProblem]("cats.kernel.compat.scalaVersionMoreSpecific$"),
+          exclude[MissingClassProblem]("cats.kernel.compat.scalaVersionMoreSpecific"),
+          exclude[MissingClassProblem](
+            "cats.kernel.compat.scalaVersionMoreSpecific$suppressUnusedImportWarningForScalaVersionMoreSpecific"
+          )
+        ) ++ // Only narrowing of types allowed here
+        Seq(
+          exclude[IncompatibleSignatureProblem]("*")
         )
     }
   )
@@ -603,9 +616,12 @@ lazy val bench = project
   .enablePlugins(JmhPlugin)
 
 lazy val binCompatTest = project
-  .disablePlugins(CoursierPlugin)
   .settings(noPublishSettings)
   .settings(
+    // workaround because coursier doesn't understand dependsOn(core.jvm % Test)
+    // see https://github.com/typelevel/cats/pull/3079#discussion_r327181584
+    // see https://github.com/typelevel/cats/pull/3026#discussion_r321984342
+    useCoursier := false,
     commonScalaVersionSettings,
     addCompilerPlugin("org.typelevel" %% "kind-projector" % kindProjectorVersion),
     libraryDependencies ++= List(
diff --git a/core/src/main/scala/cats/data/Op.scala b/core/src/main/scala/cats/data/Op.scala
index a582dc3e6c..1ad065656c 100644
--- a/core/src/main/scala/cats/data/Op.scala
+++ b/core/src/main/scala/cats/data/Op.scala
@@ -24,7 +24,7 @@ sealed abstract private[data] class OpInstances extends OpInstances0 {
     new OpEq[Arr, A, B] { def Arr: Eq[Arr[B, A]] = ArrEq }
 
   @deprecated("Use catsDataEqForOp", "2.0.0-RC2")
-  private[data] def catsKernelEqForOp[Arr[_, _], A, B](implicit ArrEq: Eq[Arr[B, A]]): Eq[Op[Arr, A, B]] =
+  def catsKernelEqForOp[Arr[_, _], A, B](implicit ArrEq: Eq[Arr[B, A]]): Eq[Op[Arr, A, B]] =
     catsDataEqForOp[Arr, A, B]
 }
 
diff --git a/core/src/main/scala/cats/instances/ScalaVersionSpecificParallelInstances.scala b/core/src/main/scala/cats/instances/ScalaVersionSpecificParallelInstances.scala
index 5e687e047a..55ab7e7de3 100644
--- a/core/src/main/scala/cats/instances/ScalaVersionSpecificParallelInstances.scala
+++ b/core/src/main/scala/cats/instances/ScalaVersionSpecificParallelInstances.scala
@@ -22,7 +22,7 @@ trait ParallelInstances extends ParallelInstances1 {
     }
 
   @deprecated("Use OptionT.catsDataParallelForOptionT", "2.0.0")
-  private[instances] def catsParallelForOptionTNestedOption[M[_]](
+  def catsParallelForOptionTNestedOption[M[_]](
     implicit P: Parallel[M]
   ): Parallel.Aux[OptionT[M, *], Nested[P.F, Option, *]] = OptionT.catsDataParallelForOptionT[M]
 
@@ -69,7 +69,7 @@ trait ParallelInstances extends ParallelInstances1 {
     }
 
   @deprecated("Use EitherT.catsDataParallelForEitherTWithParallelEffect", "2.0.0")
-  private[instances] def catsParallelForEitherTNestedParallelValidated[M[_], E: Semigroup](
+  def catsParallelForEitherTNestedParallelValidated[M[_], E: Semigroup](
     implicit P: Parallel[M]
   ): Parallel.Aux[EitherT[M, E, *], Nested[P.F, Validated[E, *], *]] =
     EitherT.catsDataParallelForEitherTWithParallelEffect[M, E]
diff --git a/core/src/main/scala/cats/instances/parallel.scala b/core/src/main/scala/cats/instances/parallel.scala
index c1f5fbf929..1e8860fafa 100644
--- a/core/src/main/scala/cats/instances/parallel.scala
+++ b/core/src/main/scala/cats/instances/parallel.scala
@@ -8,7 +8,7 @@ import cats.{~>, Applicative, Monad, Parallel}
 
 private[instances] trait ParallelInstances1 {
   @deprecated("Use EitherT.catsDataParallelForEitherTWithSequentialEffect", "2.0.0")
-  private[instances] def catsParallelForEitherTNestedValidated[M[_]: Monad, E: Semigroup]
+  def catsParallelForEitherTNestedValidated[M[_]: Monad, E: Semigroup]
     : Parallel.Aux[EitherT[M, E, *], Nested[M, Validated[E, *], *]] =
     new Parallel[EitherT[M, E, *]] {
       type F[x] = Nested[M, Validated[E, *], x]
diff --git a/core/src/main/scala/cats/instances/sortedMap.scala b/core/src/main/scala/cats/instances/sortedMap.scala
index 8ed33c47d7..4ac4721cfb 100644
--- a/core/src/main/scala/cats/instances/sortedMap.scala
+++ b/core/src/main/scala/cats/instances/sortedMap.scala
@@ -9,11 +9,11 @@ import scala.collection.immutable.SortedMap
 trait SortedMapInstances extends SortedMapInstances2 {
 
   @deprecated("2.0.0-RC2", "Use cats.kernel.instances.sortedMap.catsKernelStdHashForSortedMap")
-  private[instances] def catsStdHashForSortedMap[K: Hash: Order, V: Hash]: Hash[SortedMap[K, V]] =
+  def catsStdHashForSortedMap[K: Hash: Order, V: Hash]: Hash[SortedMap[K, V]] =
     cats.kernel.instances.sortedMap.catsKernelStdHashForSortedMap[K, V]
 
   @deprecated("2.0.0-RC2", "Use cats.kernel.instances.sortedMap.catsKernelStdCommutativeMonoidForSortedMap")
-  private[instances] def catsStdCommutativeMonoidForSortedMap[K: Order, V: CommutativeSemigroup] =
+  def catsStdCommutativeMonoidForSortedMap[K: Order, V: CommutativeSemigroup] =
     cats.kernel.instances.sortedMap.catsKernelStdCommutativeMonoidForSortedMap[K, V]
 
   implicit def catsStdShowForSortedMap[A: Order, B](implicit showA: Show[A], showB: Show[B]): Show[SortedMap[A, B]] =
@@ -115,13 +115,13 @@ trait SortedMapInstances extends SortedMapInstances2 {
 
 private[instances] trait SortedMapInstances1 {
   @deprecated("2.0.0-RC2", "Use cats.kernel.instances.sortedMap.catsKernelStdEqForSortedMap")
-  private[instances] def catsStdEqForSortedMap[K: Order, V: Eq]: Eq[SortedMap[K, V]] =
+  def catsStdEqForSortedMap[K: Order, V: Eq]: Eq[SortedMap[K, V]] =
     new SortedMapEq[K, V]
 }
 
 private[instances] trait SortedMapInstances2 extends SortedMapInstances1 {
   @deprecated("2.0.0-RC2", "Use cats.kernel.instances.sortedMap.catsKernelStdMonoidForSortedMap")
-  private[instances] def catsStdMonoidForSortedMap[K: Order, V: Semigroup]: Monoid[SortedMap[K, V]] =
+  def catsStdMonoidForSortedMap[K: Order, V: Semigroup]: Monoid[SortedMap[K, V]] =
     new SortedMapMonoid[K, V]
 }
 
diff --git a/core/src/main/scala/cats/instances/sortedSet.scala b/core/src/main/scala/cats/instances/sortedSet.scala
index 7f55f58fe3..8b6e84936d 100644
--- a/core/src/main/scala/cats/instances/sortedSet.scala
+++ b/core/src/main/scala/cats/instances/sortedSet.scala
@@ -76,7 +76,7 @@ private[instances] trait SortedSetInstances1 {
     cats.kernel.instances.sortedSet.catsKernelStdHashForSortedSet[A]
 
   @deprecated("2.0.0-RC2", "Use cats.kernel.instances.sortedSet.catsKernelStdSemilatticeForSortedSet")
-  private[instances] def catsKernelStdSemilatticeForSortedSet[A: Order]: BoundedSemilattice[SortedSet[A]] =
+  def catsKernelStdSemilatticeForSortedSet[A: Order]: BoundedSemilattice[SortedSet[A]] =
     cats.kernel.instances.sortedSet.catsKernelStdBoundedSemilatticeForSortedSet[A]
 }
 
diff --git a/project/build.properties b/project/build.properties
index c0bab04941..6adcdc753f 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.2.8
+sbt.version=1.3.3
diff --git a/project/plugins.sbt b/project/plugins.sbt
index a43c3602e2..1454d23a71 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,8 +1,7 @@
-addSbtCoursier
 addSbtPlugin("com.eed3si9n" % "sbt-unidoc" % "0.4.2")
 addSbtPlugin("com.github.gseitz" %% "sbt-release" % "1.0.11")
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "2.0.0-M2")
-addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.3.0")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.6.1")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.3.7")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.0")
 addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "1.0.0")
diff --git a/project/project/plugins.sbt b/project/project/plugins.sbt
deleted file mode 100644
index 7e59b447e1..0000000000
--- a/project/project/plugins.sbt
+++ /dev/null
@@ -1 +0,0 @@
-addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.3")