I got a notification for an update to 9.4.14, updated and have the same issue.
NX> 111 New connections to NoMachine server are enabled.
NX> 161 Enabled service: nxserver.
NX> 162 Disabled service: nxnode.
NX> 161 Enabled service: nxd.
And the server.log shows: /Library/Application Support/NoMachine/var/log/server.log:40116 259 2026-04-26 09:35:21 118.734 Features/Features: WARNING! Assuming 15.0 compatibility.