Version 3.7 of dev-tex/biblatex is out. Please note that dev-tex/biber needs to be updated at the same time (version bump bug 595228) https://github.com/plk/biblatex/releases
commit 2624bad93c35daeaf8d1be094a6c75f59027d5f3 Author: Manuel Rüger <mrueg@gentoo.org> Date: Thu Mar 16 20:43:51 2017 +0100 dev-tex/biblatex: Version bump to 3.7 Package-Manager: Portage-2.3.4, Repoman-2.3.2