18.09.0-rc1

Changelog

For more information on the list of deprecated flags and APIs, have a look at
https://docs.docker.com/engine/deprecated/ where you can find the target removal dates

18.09.0 (2018-MM-DD)

Deprecation

• Deprecate devicemapper storage driver docker/cli#1455 / docker/cli#1424
• Deprecate devicemapper legacy overlay storage driver docker/cli#1455 / docker/cli#1425
• Remove support for TLS < 1.2 moby/moby#37660
• Remove Ubuntu 14.04 "Trusty Tahr" as a supported platform docker-ce-packaging#255 / docker-ce-packaging#254
• Remove Debian 8 "Jessie" as a supported platform docker-ce-packaging#255 / docker-ce-packaging#254

API

• Update API version to 1.39 moby/moby#37640
• Add support for remote connections using SSH docker/cli#1014
• Builder: add prune options to the API moby/moby#37651
• Add "Warnings" to /info endpoint, and move detection to the daemon moby/moby#37502

• Do not return "<unknown>" in /info response moby/moby#37472

Builder

• Allow BuildKit builds to run without experimental mode enabled. Buildkit can now be configured with an option in daemon.json moby/moby#37593 moby/moby#37686 moby/moby#37692 docker/cli#1303 docker/cli#1275
• Add support for build-time secrets using a --secret flag when using BuildKit docker/cli#1288
• Add SSH agent socket forwarder (docker build --ssh $SSHMOUNTID=$SSH_AUTH_SOCK) when using BuildKit docker/cli#1438 / docker/cli#1419
• Add --chown flag support for ADD and COPY commands on Windows moby/moby#35521
• Add builder prune subcommand to prune BuildKit build cache docker/cli#1295 docker/cli#1334
• BuildKit: Add configurable garbage collection policy for the BuildKit build cache docker/engine#59 / moby/moby#37846
• BuildKit: Add support for docker build --pull ... when using BuildKit moby/moby#37613
• BuildKit: Add support or "registry-mirrors" and "insecure-registries" when using BuildKit docker-archive/engine#59](docker-archive/engine#59) / moby/moby#37852
• BuildKit: Enable net modes and bridge. moby/moby#37620

• BuildKit: Change --console=[auto,false,true] to --progress=[auto,plain,tty] docker/cli#1276
• BuildKit: Set BuildKit's ExportedProduct variable to show useful errors in the future. moby/moby#37439

• BuildKit: Do not cancel buildkit status request. moby/moby#37597
• Fix no error is shown if build args are missing during docker build moby/moby#37396
• Fix error "unexpected EOF" when adding an 8GB file moby/moby#37771
• LCOW: Ensure platform is populated on COPY/ADD. moby/moby#37563

Client

• Add docker engine subcommand to manage the lifecycle of a Docker Engine running as a privileged container on top of containerd, and to allow upgrades to Docker Engine Enterprise docker/cli#1260
• Expose product license in docker info output docker/cli#1313
• Show warnings produced by daemon in docker info output docker/cli#1225

• Hide --data-path-addr flags when connected to a daemon that doesn't support this option docker/docker/cli#1240
• Only show buildkit-specific flags if BuildKit is enabled docker/cli#1438 / docker/cli#1427
• Improve version output alignment docker/cli#1204
• Sort plugin names and networks in a natural order docker/cli#1166, docker/cli#1266
• Updated bash and zsh completion scripts

• Fix mapping a range of host ports to a single container port docker/cli#1102
• Fix trust inspect typo: "AdminstrativeKeys" docker/cli#1300
• Fix environment file parsing for imports of absent variables and those with no name. docker/cli#1019
• Fix a potential "out of memory exception" when running docker image prune with a large list of dangling images docker/cli#1432 / docker/cli#1423
• Fix pipe handling in ConEmu and ConsoleZ on Windows moby/moby#37600
• Fix long startup on windows, with non-hns governed Hyper-V networks docker/engine#67 / moby/moby#37774

Daemon

• Fix daemon won't start when "runtimes" option is defined both in config file and cli docker/engine#57 / moby/moby#37871
• Loosen permissions on /etc/docker directory to prevent "permission denied" errors when using docker manifest inspect docker/engine#56 / moby/moby#37847
• Fix denial of service with large numbers in cpuset-cpus and cpuset-mems docker/engine#70 / moby/moby#37967

Experimental

• LCOW: Add --platform to docker import docker/cli#1375 / docker/cli#1371
• LCOW: Add LinuxMetadata support by default on Windows moby/moby#37514
• LCOW: Mount to short container paths to avoid command-line length limit moby/moby#37659
• LCOW: Fix builder using wrong cache layer moby/moby#37356

Logging

• Add "local" log driver moby/moby#37092
• Amazon CloudWatch: add awslogs-endpoint logging option moby/moby#37374

• Pass log-level to containerd. moby/moby#37419

• Fix json-log file descriptors leaking when using --follow docker/engine#48 moby/moby#37576 moby/moby#37734
• Fix a possible deadlock on closing the watcher on kqueue moby/moby#37392
• Use poller based watcher to work around the file caching issue in Windows moby/moby#37412

Networking

• Add support for global default address pools moby/moby#37558 docker/cli#1233

• Use direct server return (DSR) in east-west overlay load balancing docker/engine#93 / docker/libnetwork#2270
• Builder: temporarily disable bridge networking when using buildkit. moby/moby#37691

• Handle systemd-resolved case by providing appropriate resolv.conf to networking layer moby/moby#37485

Runtime

• Configure containerd log-level to be the same as dockerd moby/moby#37419
• Add configuration option for cri-containerd moby/moby#37519
• Update containerd client to v1.2.0-rc.1 moby/moby#37664, docker/engine#75 / moby/moby#37710

Security

• Remove support for TLS < 1.2 moby/moby#37660
• Seccomp: Whitelist syscalls linked to CAP_SYS_NICE in default seccomp profile moby/moby#37242
• Seccomp: move the syslog syscall to be gated by CAP_SYS_ADMIN or CAP_SYSLOG docker/engine#64 / moby/moby#37929
• SELinux: Fix relabeling of local volumes specified via Mounts API on selinux-enabled systems moby/moby#37739
• Add warning if REST API is accessible through an insecure connection moby/moby#37684
• Mask proxy credentials from URL when displayed in system info docker/engine#72 / moby/moby#37934

Storage drivers

• Fix mount propagation for btrfs docker/engine#86 / moby/moby#38026

Swarm Mode

• Add support for global default address pools moby/moby#37558 docker/cli#1233

• Block task starting until node attachments are ready moby/moby#37604
• Propagate the provided external CA certificate to the external CA object in swarm. docker/cli#1178

• Fix nil pointer dereference in node allocation docker/engine#94 / docker/swarmkit#2764

Packaging

• Remove Ubuntu 14.04 "Trusty Tahr" as a supported platform docker-ce-packaging#255 / docker-ce-packaging#254
• Remove Debian 8 "Jessie" as a supported platform docker-ce-packaging#255 / docker-ce-packaging#254
• Remove 'docker-' prefix for containerd and runc binaries docker/engine#61 / moby/moby#37907, docker-ce-packaging#241
• Split "engine", "cli", and "containerd" to separate packages, and run containerd as a separate systemd service docker-ce-packaging#131, docker-ce-packaging#158
• Build binaries with Go 1.10.4 docker-ce-packaging#181
• Remove -ce / -ee suffix from version string docker-ce-packaging#206