Hey,
So if you're on these mailing list, you know the deal :-) There are a couple build fixes in this update.
Sourceforge:
http://sourceforge.net/projects/inkscape/files/inkscape/0.48.3.1/
Launchpad:
https://launchpad.net/inkscape/0.48.x/0.48.3.1
MD5 Sums
f0fcc02088cc643634806064e7ab4ec3 inkscape-0.48.3.1.tar.bz2 3e956cd9cf6cf0a22b64a821f5a4084d inkscape-0.48.3.1.tar.bz2.asc ccf8ccd9e66199badb8c35ea3851a888 inkscape-0.48.3.1.tar.gz aded57e1a851a5f3d763fd892c085fe1 inkscape-0.48.3.1.tar.gz.asc b1bbe021af4eab8a4c6bb2e4833c6eaf inkscape-0.48.3.1.zip d9f81d36f1e5a9679911dbc12d53d2b9 inkscape-0.48.3.1.zip.asc
SHA1 Sums
23344555a1b5cc7909ad01d926cfaddb67bfbde9 inkscape-0.48.3.1.tar.bz2 780bf43ce5148df35420926702b05afadfade239 inkscape-0.48.3.1.tar.bz2.asc 9a09a97d184e09c2ee7f9956bfe073b7313e919e inkscape-0.48.3.1.tar.gz c8b963d43f56fb7bf42e9474b1b0de7d91be3433 inkscape-0.48.3.1.tar.gz.asc b6de562e8c11442afb3d67a59d4d6f82f0c6edd6 inkscape-0.48.3.1.zip a17c423b151110d2dab6fd770beb20aaf134caa4 inkscape-0.48.3.1.zip.asc
--Ted