QNAP has announced that it will no longer officially support vQTS-built virtual machines (VMs) on its servers. This means that, while users can still operate the VMs they have previously constructed on this platform, they will no longer be supported or updated by the company. Machines set up using the newer QuTSCloud will, however.
https://www.notebookcheck.net/QNAP-announces-the-discontinuation-of-vQTS.484481.0.html