See Bug 234618 WIN: Default font issue (Bitstream Vera Sans hell) - https://bugs.launchpad.net/inkscape/+bug/234618
Basically, 0.47 appears to have a bug preventing the default font info from being saved (or remembered?).
See Bug 234618 WIN: Default font issue (Bitstream Vera Sans hell) - https:/ /bugs.launchpad .net/inkscape/ +bug/234618
Basically, 0.47 appears to have a bug preventing the default font info from being saved (or remembered?).