According to the news file, this is a final bugfix release for the 1.14.x series before branching to 1.15.x.
+*libgsf-1.14.3 (21 Mar 2007) + + 21 Mar 2007; Mart Raudsepp <leio@gentoo.org> +libgsf-1.14.3.ebuild: + Version bump to 1.14.3, bug 168652. Also fix up dependencies for optional + python bindings Thanks!