Latest upstream release: 1.11.4 Current version/release in Fedora Rawhide: 1.10.5-2.fc20 URL: http://botan.randombit.net/download.html Please consult the package updates policy before you issue an update to a stable branch: https://fedoraproject.org/wiki/Updates_Policy More information about the service that created this bug can be found at: https://fedoraproject.org/wiki/Upstream_release_monitoring
The 1.11.X versions are from the (unstable) development series. I've updated the entry for Botan on the upstream release monitoring wiki page to only match stable versions.