Release Notes: This patch release update fixes several build issues experienced on various platforms, including Gentoo, Debian, and Mac OS X. A vulnerability patch is provided for libutahrle (urt). Missing vgr results when missing dc were fixed. The Utah Raster Toolkit was updated from 3.0 to 3.1b1. libpng was updated from 1.2.5 to 1.2.8.