Arches go ahead.
ia64 stable
ppc/ppc64 stable
x86 stable
Stable on alpha.
arm stable
hppa stable
sparc stable (thanks to Rolf Eike Beer)
commit 3b1fb37b000b55e08721cda2dc5de94f1c028a5e Author: Tim Harder <radhermit@gentoo.org> Date: Sun Feb 25 08:22:13 2018 -0500 dev-python/futures: stabilize 3.1.1 for arm64 Last arch. Closing.