Merge pull request #504 from SethTisue/post-2.0.0-RC1

update build and readme now that 2.0.0-RC1 is out

Author: SethTisue

README.md

@@ -16,7 +16,7 @@ How to documentation is available in the [wiki](https://github.com/scala/scala-x
 
 The latest stable release of Scala XML is 1.3.0.
 
-Our experimental milestones in the 2.0.0-Mx series include support for Scala 3 prerelease versions. See also the changes for 2.0 in `CHANGELOG.md`.
+The 2.0.0-RCx series supports Scala 3. See also the changes for 2.0 in `CHANGELOG.md`.
 
 ## Maintenance status
 

build.sbt

@@ -58,7 +58,7 @@ lazy val xml = crossProject(JSPlatform, JVMPlatform, NativePlatform)
     scalaModuleMimaPreviousVersion := (CrossVersion.partialVersion(scalaVersion.value) match {
       // pending resolution of https://github.com/scalacenter/sbt-version-policy/issues/62
       case Some((3, _)) => None
-      case _            => Some("2.0.0-M5")
+      case _            => Some("2.0.0-RC1")
     }),
     mimaBinaryIssueFilters ++= {
       import com.typesafe.tools.mima.core._