Changelog General Various improvements to shell tab completion Add support for compiling on ARM64 architecture Drivers Make virtualbox default driver amazonec2 Update AMIs to latest version of Ubuntu 16.04 LTS virtualbox Fix parsing of --virtualbox-share-folder on Windows google Add --google-open-port flag to specify additional ports to open Provisioners Machine now uses systemd drop-in files instead of over-writing the system units Add support for upgrade to new Docker versioning scheme Use dockerd only in Docker versions where it is available Support multiple architectures in SUSE provisioner Breaking Change(s) There is one small breaking change in this release. The default driver for docker-machine create has been changed from none to virtualbox. virtualbox was far more common than none, so this change allows you to quickly create VirtualBox machines like so: $ docker-machine create manager ... $ docker-machine create worker ...
Thanks, this is in git: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f08b2dca056e6a796eb31e3ff329221fcd17d1b0