tl;dr: Paramiko 1.8.1 and 1.9.0 are out; Fabric 1.4.4 and 1.5.0 are out. Docs builds on RTD are (from 1.5 on) using release branches and not tags, so e.g. the docs link is http://docs.fabfile.org/en/1.5/ and not /en/1.5.0/. See the blog post for details.