Drop Java 8

.github/workflows/build-test.yml

@@ -15,17 +15,17 @@ concurrency:
 jobs:
   check-code-style:
     name: Code Style
-    uses: playframework/.github/.github/workflows/cmd.yml@v2
+    uses: playframework/.github/.github/workflows/cmd.yml@v3
     with:
       cmd: sbt scalafmtCheckAll scalafmtSbtCheck
 
   check-binary-compatibility:
     name: Binary Compatibility
-    uses: playframework/.github/.github/workflows/binary-check.yml@v2
+    uses: playframework/.github/.github/workflows/binary-check.yml@v3
 
   check-docs:
     name: Docs
-    uses: playframework/.github/.github/workflows/cmd.yml@v2
+    uses: playframework/.github/.github/workflows/cmd.yml@v3
     with:
       cmd: sbt docs/scalafmtCheckAll docs/scalafmtSbtCheck docs/test docs/validateDocs
 
@@ -35,15 +35,15 @@ jobs:
       - "check-code-style"
       - "check-binary-compatibility"
       - "check-docs"
-    uses: playframework/.github/.github/workflows/cmd.yml@v2
+    uses: playframework/.github/.github/workflows/cmd.yml@v3
     with:
-      java: 11, 8
-      scala: 2.12.17, 2.13.8
+      java: 17, 11
+      scala: 2.13.8
       cmd: sbt ++$MATRIX_SCALA test
 
   finish:
     name: Finish
     if: github.event_name == 'pull_request'
     needs: # Should be last
       - "tests"
-    uses: playframework/.github/.github/workflows/rtm.yml@v2
+    uses: playframework/.github/.github/workflows/rtm.yml@v3

.github/workflows/publish.yml

@@ -11,5 +11,5 @@ on:
 jobs:
   publish-artifacts:
     name: Publish / Artifacts
-    uses: playframework/.github/.github/workflows/publish.yml@v2
+    uses: playframework/.github/.github/workflows/publish.yml@v3
     secrets: inherit

build.sbt

@@ -19,7 +19,7 @@ lazy val commonSettings = Seq(
   // Work around https://issues.scala-lang.org/browse/SI-9311
   scalacOptions ~= (_.filterNot(_ == "-Xfatal-warnings")),
   scalaVersion       := "2.13.8",                // scala213,
-  crossScalaVersions := Seq("2.13.8", scala212), // scala213,
+  crossScalaVersions := Seq("2.13.8"),           // scala213,
   pomExtra           := scala.xml.NodeSeq.Empty, // Can be removed when dropping interplay
   developers += Developer(
     "playframework",

project/plugins.sbt

@@ -1,12 +1,16 @@
+lazy val plugins = (project in file(".")).settings(
+  scalaVersion := "2.12.17", // TODO: remove when upgraded to sbt 1.8.0 (maybe even 1.7.2), see https://github.com/sbt/sbt/pull/7021
+)
+
 resolvers ++= DefaultOptions.resolvers(snapshot = true)
 resolvers ++= Seq(
   Resolver.sonatypeRepo("releases"),
   Resolver.sonatypeRepo("snapshots"), // used by deploy nightlies, which publish here & use -Dplay.version
 )
 
-addSbtPlugin("com.typesafe.play" % "sbt-plugin"           % sys.props.getOrElse("play.version", "2.8.16"))
-addSbtPlugin("com.typesafe.play" % "play-docs-sbt-plugin" % sys.props.getOrElse("play.version", "2.8.16"))
-addSbtPlugin("com.typesafe.play" % "interplay"            % sys.props.get("interplay.version").getOrElse("3.0.6"))
+addSbtPlugin("com.typesafe.play" % "sbt-plugin"           % sys.props.getOrElse("play.version", "2.9.0-M2"))
+addSbtPlugin("com.typesafe.play" % "play-docs-sbt-plugin" % sys.props.getOrElse("play.version", "2.9.0-M2"))
+addSbtPlugin("com.typesafe.play" % "interplay"            % sys.props.get("interplay.version").getOrElse("3.1.0-RC3"))
 
 addSbtPlugin("org.scalameta" % "sbt-scalafmt"    % "2.4.6")
 addSbtPlugin("com.typesafe"  % "sbt-mima-plugin" % "1.1.1")