TDS versions 5.4 and 4.6.21 released

The THREDDS Data Server (TDS) version 5.4 release was announced on July 5th, 2022. This release contains a number of fixes for user-reported bugs, as well as security upgrades to third party libraries. It is recommended that all TDS 5.x users upgrade to this version. For more information, please see the GitHub release announcement. Additionally, version 4.6.21 of the TDS is now available. You can find the full release notes here. This is a security release only. TDS 4.6.x is no longer supported by the THREDDS development team, and it is recommended that users upgrade to v5.4. For more information on upgrading, please visit https://docs.unidata.ucar.edu/tds/5.4/userguide/upgrade.html. Note: The TDS downloads page has moved! You can now find TDS (5.x, 4.6.x, and Docker images) at https://downloads.unidata.ucar.edu/tds/.