diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 41533b74a..e3f308107 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -159,7 +159,7 @@ jobs:
         run: |
           ./sbt -v --client "scripted dependency-graph/*"
           ./sbt -v --client "scripted dependency-management/* project-load/* project-matrix/* java/* run/*"
-          # ./sbt -v --client "scripted plugins/*"
+          ./sbt -v --client "scripted plugins/*"
           # ./sbt -v --client "scripted nio/*"
       - name: Build and test (4)
         if: ${{ matrix.jobtype == 4 }}
diff --git a/sbt-app/src/sbt-test/plugins/doc-scala3-js/test b/sbt-app/src/sbt-test/plugins/doc-scala3-js/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/doc-scala3-js/test
rename to sbt-app/src/sbt-test/plugins/doc-scala3-js/disabled
diff --git a/sbt-app/src/sbt-test/plugins/dotty-sandwich-sjs/test b/sbt-app/src/sbt-test/plugins/dotty-sandwich-sjs/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/dotty-sandwich-sjs/test
rename to sbt-app/src/sbt-test/plugins/dotty-sandwich-sjs/disabled
diff --git a/sbt-app/src/sbt-test/plugins/dotty/LICENSE b/sbt-app/src/sbt-test/plugins/dotty/LICENSE
deleted file mode 100644
index 728844ee3..000000000
--- a/sbt-app/src/sbt-test/plugins/dotty/LICENSE
+++ /dev/null
@@ -1,25 +0,0 @@
-Copyright (c) 2015 The dotty-example-project contributors.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-3. The name of the author may not be used to endorse or promote products
-   derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
diff --git a/sbt-app/src/sbt-test/plugins/dotty/README.md b/sbt-app/src/sbt-test/plugins/dotty/README.md
deleted file mode 100644
index e476c5c1d..000000000
--- a/sbt-app/src/sbt-test/plugins/dotty/README.md
+++ /dev/null
@@ -1 +0,0 @@
-Cut-n-pasted from https://github.com/lampepfl/dotty-example-project/tree/a753b14e281bbaa6c69f26298913ad6feba969c7
diff --git a/sbt-app/src/sbt-test/plugins/dotty/build.sbt b/sbt-app/src/sbt-test/plugins/dotty/build.sbt
deleted file mode 100644
index 48a4f88fe..000000000
--- a/sbt-app/src/sbt-test/plugins/dotty/build.sbt
+++ /dev/null
@@ -1 +0,0 @@
-ThisBuild / scalaVersion := "3.3.4"
diff --git a/sbt-app/src/sbt-test/plugins/dotty/src/main/scala-3/Main.scala b/sbt-app/src/sbt-test/plugins/dotty/src/main/scala-3/Main.scala
deleted file mode 100644
index 8a44ae4ef..000000000
--- a/sbt-app/src/sbt-test/plugins/dotty/src/main/scala-3/Main.scala
+++ /dev/null
@@ -1,16 +0,0 @@
-
-object Main {
-
-  def main(args: Array[String]): Unit = {
-
-    runExample("Trait Params")(TraitParams.test)
-
-  }
-
-  private def runExample(name: String)(f: => Unit) = {
-    println(Console.MAGENTA + s"$name example:" + Console.RESET)
-    f
-    println()
-  }
-
-}
diff --git a/sbt-app/src/sbt-test/plugins/dotty/src/main/scala-3/TraitParams.scala b/sbt-app/src/sbt-test/plugins/dotty/src/main/scala-3/TraitParams.scala
deleted file mode 100644
index 5d4409971..000000000
--- a/sbt-app/src/sbt-test/plugins/dotty/src/main/scala-3/TraitParams.scala
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
-  * Trait Parameters: https://dotty.epfl.ch/docs/reference/other-new-features/trait-parameters.html
-  */
-object TraitParams {
-
-  trait Base(val msg: String)
-  class A extends Base("Hello")
-  class B extends Base("Dotty!")
-
-  // Union types only exist in Dotty, so there's no chance that this will accidentally be compiled with Scala 2
-  private def printMessages(msgs: (A | B)*) = println(msgs.map(_.msg).mkString(" "))
-
-  def test: Unit = {
-
-    printMessages(new A, new B)
-
-    // Sanity check the classpath: this won't run if the dotty jar is not present.
-    val x: Int => Int = z => z
-    x(1)
-  }
-}
diff --git a/sbt-app/src/sbt-test/plugins/dotty/test b/sbt-app/src/sbt-test/plugins/dotty/test
deleted file mode 100644
index 62ea636c1..000000000
--- a/sbt-app/src/sbt-test/plugins/dotty/test
+++ /dev/null
@@ -1 +0,0 @@
-> run
diff --git a/sbt-app/src/sbt-test/plugins/hydra/test b/sbt-app/src/sbt-test/plugins/hydra/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/hydra/test
rename to sbt-app/src/sbt-test/plugins/hydra/disabled
diff --git a/sbt-app/src/sbt-test/plugins/pgp/build.sbt b/sbt-app/src/sbt-test/plugins/pgp/build.sbt
new file mode 100644
index 000000000..c73b99a66
--- /dev/null
+++ b/sbt-app/src/sbt-test/plugins/pgp/build.sbt
@@ -0,0 +1 @@
+scalaVersion := "3.7.2"
diff --git a/sbt-app/src/sbt-test/plugins/pgp/project/plugins.sbt b/sbt-app/src/sbt-test/plugins/pgp/project/plugins.sbt
new file mode 100644
index 000000000..bb21230da
--- /dev/null
+++ b/sbt-app/src/sbt-test/plugins/pgp/project/plugins.sbt
@@ -0,0 +1,2 @@
+// addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.3.1")
+libraryDependencies += Defaults.sbtPluginExtra("com.github.sbt" % "sbt-pgp" % "2.3.1", "2", "3.7.2")
diff --git a/sbt-app/src/sbt-test/plugins/pgp/src/main/scala/Foo.scala b/sbt-app/src/sbt-test/plugins/pgp/src/main/scala/Foo.scala
new file mode 100644
index 000000000..c389887ee
--- /dev/null
+++ b/sbt-app/src/sbt-test/plugins/pgp/src/main/scala/Foo.scala
@@ -0,0 +1 @@
+class Foo
diff --git a/sbt-app/src/sbt-test/plugins/pgp/test b/sbt-app/src/sbt-test/plugins/pgp/test
new file mode 100644
index 000000000..003ee6843
--- /dev/null
+++ b/sbt-app/src/sbt-test/plugins/pgp/test
@@ -0,0 +1 @@
+> plugins
diff --git a/sbt-app/src/sbt-test/plugins/play-watch/test b/sbt-app/src/sbt-test/plugins/play-watch/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/play-watch/test
rename to sbt-app/src/sbt-test/plugins/play-watch/disabled
diff --git a/sbt-app/src/sbt-test/plugins/sbt-native-packager/test b/sbt-app/src/sbt-test/plugins/sbt-native-packager/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/sbt-native-packager/test
rename to sbt-app/src/sbt-test/plugins/sbt-native-packager/disabled
diff --git a/sbt-app/src/sbt-test/plugins/scala-js-macro/test b/sbt-app/src/sbt-test/plugins/scala-js-macro/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/scala-js-macro/test
rename to sbt-app/src/sbt-test/plugins/scala-js-macro/disabled
diff --git a/sbt-app/src/sbt-test/plugins/scala-js/test b/sbt-app/src/sbt-test/plugins/scala-js/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/scala-js/test
rename to sbt-app/src/sbt-test/plugins/scala-js/disabled
diff --git a/sbt-app/src/sbt-test/plugins/twirl/test b/sbt-app/src/sbt-test/plugins/twirl/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/twirl/test
rename to sbt-app/src/sbt-test/plugins/twirl/disabled
diff --git a/sbt-app/src/sbt-test/plugins/unidoc/test b/sbt-app/src/sbt-test/plugins/unidoc/disabled
similarity index 100%
rename from sbt-app/src/sbt-test/plugins/unidoc/test
rename to sbt-app/src/sbt-test/plugins/unidoc/disabled