sbt 2.0.0-RC9 (#219)

Author: xuwei-k

.github/workflows/ci.yml

@@ -14,12 +14,8 @@ jobs:
         include:
           - scala-version: '2.12.x'
             java-version: 8
-          - scala-version: '3.x'
-            java-version: 8
           - scala-version: '2.12.x'
             java-version: 11
-          - scala-version: '3.x'
-            java-version: 11
           - scala-version: '2.12.x'
             java-version: 17
           - scala-version: '3.x'

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/setup-java@v5
         with:
           distribution: 'temurin'
-          java-version: 8
+          java-version: 17
       - uses: sbt/setup-sbt@v1
       - run: sbt ci-release
         env:

build.sbt

@@ -1,5 +1,5 @@
 lazy val scala212 = "2.12.21"
-lazy val scala3 = "3.7.4"
+lazy val scala3 = "3.8.1"
 ThisBuild / crossScalaVersions := Seq(scala212, scala3)
 ThisBuild / scalaVersion := scala212
 ThisBuild / version := {
@@ -17,7 +17,7 @@ lazy val root = (project in file("."))
     (pluginCrossBuild / sbtVersion) := {
       scalaBinaryVersion.value match {
         case "2.12" => "1.5.8"
-        case _      => "2.0.0-RC6"
+        case _      => "2.0.0-RC9"
       }
     },
     scriptedSbt := {
@@ -32,7 +32,7 @@ Global / onChangedBuildSource := ReloadOnSourceChanges
 ThisBuild / description := "sbt plugin to create a unified API document across projects"
 ThisBuild / organization := "com.github.sbt"
 ThisBuild / homepage := Some(url("https://github.com/sbt/sbt-unidoc"))
-ThisBuild / Compile / scalacOptions ++= Seq("-feature", "-deprecation", "-Xlint")
+ThisBuild / scalacOptions ++= Seq("-feature", "-deprecation", "-Xlint")
 ThisBuild / licenses := List(License.Apache2)
 ThisBuild / developers := List(
   Developer(
@@ -43,10 +43,9 @@ ThisBuild / developers := List(
   )
 )
 ThisBuild / dynverSonatypeSnapshots := true
-Compile / scalacOptions ++= {
-  // https://github.com/sbt/sbt/issues/8220
+scalacOptions ++= {
   if (scalaBinaryVersion.value == "2.12")
-    Seq("-Wconf:cat=unused-nowarn:s")
+    Seq("-release:8")
   else
     Nil
 }