The Sonatype CLM Release Notes provide a record of all changes made to Sonatype CLM. Upgrading to the latest versions is free, but make sure to checkout the backup procedure and the upgrade instructions prior to proceeding with an update. ,Sonatype CLM Sonatype release. The latest version of Sonatype CLM can always be downloaded from https://support.sonatype.com/entries/23756203-How-do-I-download-and-Install -Sonatype-CLM-[the Sonatype support site].