The latest development version is 1.11.4 and some softwarez already require it. Reproducible: Always
Created attachment 358548 [details] ebuild
+*botan-1.11.4 (18 Sep 2013) + + 18 Sep 2013; Sergey Popov <pinkbyte@gentoo.org> +botan-1.11.4.ebuild: + Version bump, wrt bug #484678 In tree, p.masked for now, cause it breaks almost every package that links with it.