The Unidata THREDDS development team released netCDF-Java 5.5.3 on July 5th, 2022; this release contains a number of security upgrades to third party libraries and a variety of bug fixes. For more information, please visit the GitHub release page. Artifacts from the 5.5.3 release can be obtained from our artifacts server following these instructions. ToolsUI and netCDFAll can be obtained from the downloads section of the Unidata website.