Porteus

When using the "changes=" cheatcode on an ext4 filesystem, is there any way to prevent certain specified directories from having changes recorded? Or vice-versa, a way to only allow changes to be recorded for specified directories?

Yes, by symlinks.

Maybe use the changes=EXIT cheatcode.
(read /boot/docs/cheatcodes.txt)

Ex- or include folders in /etc/changes-exit.conf