1.12.3 is the current release and 1.13.0 is nearly ready for release. See https://github.com/docker/docker/releases for the current status.
To upgrade a Ubuntu install, you can run sudo apt-get update && sudo apt-get upgrade. If you’re not upgrading directly from the docker-project.org repo, see these instructions: https://docs.docker.com/engine/installation/linux/ubuntulinux/
To upgrade your MacOS version, see the install information on Docker’s website: https://docs.docker.com/engine/installation/mac/
solved docker – ubuntu Vs Mac – what is the last version?