MySQL NDB Cluster 7.3 Release Notes
NDB Cluster APIs: Support for Node.js has been removed in this release.
Node.js continues to be supported in NDB Cluster 8.0 only. (Bug #31781948)
NDB Client Programs: Effective with this release, the MySQL NDB Cluster Auto-Installer (ndb_setup.py) has been deprecated and is subject to removal in a future version of NDB Cluster. (Bug #31888835)