The current driver in FreeBSD 12.3 is version 470.103.01 :
www.freshports.org
www.freshports.org
However, this has been the latest version for a while:
It is important to update to this latest version as there is a security issue with the specific driver that is now in ports:
nvidia.custhelp.com
Affected Driver Versions All versions prior to 470.129.06
FreshPorts -- x11/nvidia-driver-470: NVidia graphics card binary drivers for hardware OpenGL rendering
These are the official NVidia binary drivers for hardware OpenGL rendering in X11, using the GLX extensions. WWW: https://www.nvidia.com/object/unix.html

FreshPorts -- x11/linux-nvidia-libs-470: NVidia graphics libraries and programs (Linux version)
These are the Linux versions of common NVidia OpenGL/GLX/EGL/GLES/GLVND libraries and Vulkan ICD.

However, this has been the latest version for a while:

Driver Details | NVIDIA
Download the <dd~LanguageName> <dd~Name> for <dd~OSName> systems. Released <dd~ReleaseDateTime>
www.nvidia.com
It is important to update to this latest version as there is a security issue with the specific driver that is now in ports:
NVIDIA Support

SECURITY UPDATES FOR NVIDIA GPU LINUX DISPLAY DRIVER
The following table lists the NVIDIA software products affected, versions affected, and the updated version available from nvidia.com that includes this security update.Affected Driver Versions All versions prior to 470.129.06