Availability
Currently at https://nomadbsd.org/handbook/handbook.html#exfat:
The port has a new category, and a different name:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283881 (2025-01-06) was originally entitled “Update documentation/ and website/ following moves of 142 ports to the filesystems category”.
You have to build it …
I suspect not. 1.4.0_1 is packaged:
Licencing
… requires a license from Microsoft®, and so it can’t be pre-installed. …
https://en.wikipedia.org/wiki/ExFAT#Legal_status, interesting.