maven-versions-rules.xml

<ruleset comparisonMethod="maven"
         xmlns="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0 http://mojo.codehaus.org/versions-maven-plugin/xsd/rule-2.0.0.xsd">
  <ignoreVersions>
    <ignoreVersion type="regex">.*pr.*</ignoreVersion>
    <ignoreVersion type="regex">.*-rc.*</ignoreVersion>
    <ignoreVersion type="regex">.*-M\d+</ignoreVersion>
  </ignoreVersions>
</ruleset>