The only FreeBSD architecture still vulnerable at the OS level is i386 (32-bit Intel CPUs), which will make vintage computing interesting.
My Palm IIIxe is also not affected by the Year 2038 problem. Instead, it's got different time bugs that mean I won't be able to keep my radical leftist agenda on it past 2032.
Time bugs!
The Doctor's new nemesis!
https://en.wikipedia.org/wiki/Time_formatting_and_storage_bugs