new reference compiler is 2.13.15

Author: SethTisue

build.sbt

@@ -74,7 +74,7 @@ lazy val publishSettings : Seq[Setting[_]] = Seq(
 // should not be set directly. It is the same as the Maven version and derived automatically from `baseVersion` and
 // `baseVersionSuffix`.
 globalVersionSettings
-Global / baseVersion       := "2.13.15"
+Global / baseVersion       := "2.13.16"
 Global / baseVersionSuffix := "SNAPSHOT"
 ThisBuild / organization   := "org.scala-lang"
 ThisBuild / homepage       := Some(url("https://www.scala-lang.org"))

project/MimaFilters.scala

@@ -13,7 +13,7 @@ object MimaFilters extends AutoPlugin {
   import autoImport._
 
   override val globalSettings = Seq(
-    mimaReferenceVersion := Some("2.13.14"),
+    mimaReferenceVersion := Some("2.13.15"),
   )
 
   val mimaFilters: Seq[ProblemFilter] = Seq[ProblemFilter](

versions.properties

@@ -1,5 +1,5 @@
 # Scala version used for bootstrapping (see README.md)
-starr.version=2.13.15-M1
+starr.version=2.13.15
 
 # These are the versions of the modules that go with this release.
 # Artifact dependencies: