test JDK23

Author: bjaglin

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu"]
-        jvm: ["8", "11", "17", "21", "22"]
+        jvm: ["8", "11", "17", "21", "23"]
         include:
           - os: windows
             jvm: 21

build.sbt

@@ -119,7 +119,11 @@ lazy val rules = projectMatrix
           semanticdbScalacCore,
           collectionCompat
         )
-      else Nil
+      else
+        Seq(
+          // force usage of the latest scala2 library to get compatibility with latest JDK
+          "org.scala-lang" % "scala-library" % scala213
+        )
     },
     // companion of `.dependsOn(core)`
     // issue reported in https://github.com/sbt/sbt/issues/7405

project/ScalafixBuild.scala

@@ -48,8 +48,8 @@ object ScalafixBuild extends AutoPlugin with GhpagesKeys {
             previousPatchVersions
               .map { patch => s"$binaryVersion.$patch" }
               .filterNot { v =>
-                System.getProperty("java.version").startsWith("22") &&
-                Seq("2.12.18").contains(v)
+                System.getProperty("java.version").startsWith("23") &&
+                Seq("2.12.18", "2.12.19", "2.13.13", "2.13.14").contains(v)
               }
           }