Just in case any Mac users with 3DConnexion SpaceNavigators missed it - a 64 bit driver (version 1.6.0) for OS X was posted on their web site 2 days ago.
http://www.3dconnexion.com/service/drivers.html
One of the forum moderators
AC 27 USA and earlier • macOS Ventura 13.6.6, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB