19.03.0-rc3

Changelog

For official release notes for Docker Engine CE and Docker Engine EE, visit the
release notes page.

19.03.0 (2019-06-DD)

Deprecation

• Remove v1 manifest support, remove --disable-legacy-registry. Pushing v1 manifests to registries is no longer possible, pushing schema v2 (or OCI) manifests is now the only way. However, pulling v1 manifests is still possible. moby/moby#39365
• Remove v1.10 migrator. moby/moby#38265
• Skip deprecated storage-drivers in auto-selection. moby/moby#38019
• Deprecate AuFS storage driver, and add warning. moby/moby#38090

Client

• Add --pids-limit flag to docker update. docker/cli#1765
• Add systctl support for services. docker/cli#1754
• Add support for template_driver in composefiles. docker/cli#1746
• Add --device support for Windows. docker/cli#1606
• Data Path Port configuration support. docker/cli#1509
• Fast context switch: commands. docker/cli#1501
• Support --mount type=bind,bind-nonrecursive,... docker/cli#1430
• Add maximum replicas per node support to stack version 3.8. docker/cli#1410
• Add option to pull images quietly. docker/cli#882
• Add a separate --domainname flag. docker/cli#1130
• Add --from flag to context create. docker/cli#1773
• Add support for secret drivers in docker stack deploy. docker/cli#1783
• Add ability to use swarm Configs as CredentialSpecs on services. docker/cli#1781
• Add --security-opt systempaths=unconfined support. docker/cli#1808
• Basic framework for writing and running CLI plugins. docker/cli#1564
• cli-plugins: add concept of experimental plugin, only enabled in experimental mode. docker/cli#1898
• Docker App v0.8.0. docker/docker-ce-packaging#341
• Docker buildx. docker/docker-ce-packaging#336

• Update buildkit to f238f1e. docker/cli#1804
• Bump google.golang.org/grpc to v1.20.1. docker/cli#1884
• Cli change to pass driver specific options to docker run. docker/cli#1767
• Bump Golang 1.12.5. docker/cli#1875
• The docker system info output now segregates information relevant to the client and daemon. docker/cli#1638
• (Experimental) When targetting Kubernetes, add support for x-pull-secret: some-pull-secret in compose-files service configs. docker/cli#1617
• (Experimental) When targetting Kubernetes, add support for x-pull-policy: <Never|Always|IfNotPresent> in compose-files service configs. docker/cli#1617
• Add support for maximum replicas per node without stack. docker/cli#1612
• cp, save, export: Prevent overwriting irregular files. docker/cli#1515
• Allow npipe volume type on stack file. docker/cli#1195

• Fix tty initial size error. docker/cli#1529
• Fix labels copying value from environment variables. docker/cli#1671

API

• Update API version to v1.40. moby/moby#38089
• Add warnings to /info endpoint, and move detection to the daemon. moby/moby#37502
• Add HEAD support for /_ping endpoint. moby/moby#38570
• Add Cache-Control headers to disable caching /_ping endpoint. moby/moby#38569
• Add containerd, runc, and docker-init versions to /version. moby/moby#37974

• Add undocumented /grpc endpoint and register BuildKit's controller. moby/moby#38990

Builder

• builder-next: allow setting buildkit outputs. docker/cli#1766
• builder-next: look for a Dockerfile specific dockerignore file (eg. Dockerfile.dockerignore) for ignored paths. docker/engine#215
• builder-next: automatically detect if process execution is possible for x86, arm and arm64 binaries. docker/engine#215
• builder-next: added inline cache support --cache-from. docker/engine#215
• builder-next: allow outputs configuration. moby/moby#38898

• builder-next: update buildkit to 1f89ec1. docker/engine#260
• builder-next: buildkit now also uses systemd's resolv.conf. docker/engine#260
• builder-next: use Dockerfile frontend version docker/dockerfile:1.1 by default. docker/engine#215
• builder-next: no longer rely on an external image for COPY/ADD operations. docker/engine#215

• Builder: fix COPY --from should preserve ownership. moby/moby#38599
• builder-next: fix gcr workaround token cache. docker/engine#212
• builder-next: call stopprogress on download error. docker/engine#215

Experimental

• Enable checkpoint/restore of containers with TTY. moby/moby#38405
• LCOW: Add support for memory and CPU limits. moby/moby#37296

• Windows: Experimental: ContainerD runtime. moby/moby#38541
• Windows: Experimental: LCOW requires Windows RS5+. moby/moby#39108

Security

• mount: add BindOptions.NonRecursive (API v1.40). moby/moby#38003
• seccomp: whitelist io_pgetevents(). moby/moby#38895
• seccomp: allow ptrace(2) for 4.8+ kernels. moby/moby#38137

Runtime

• Allow running dockerd as a non-root user (Rootless mode). moby/moby#380050
• Rootless: optional support for lxc-user-nic SUID binary. docker/engine#208
• Add DeviceRequests to HostConfig to support NVIDIA GPUs. moby/moby#38828
• Add --device support for Windows. moby/moby#37638
• Add memory.kernelTCP support for linux. moby/moby#37043

• Making it possible to pass Windows credential specs directly to the engine. moby/moby#38777
• Add pids-limit support in docker update. moby/moby#32519
• Add support for exact list of capabilities. moby/moby#38380
• daemon: use 'private' ipc mode by default. moby/moby#35621
• daemon: switch to semaphore-gated WaitGroup for startup tasks. moby/moby#38301
• Use idtools.LookupGroup instead of parsing /etc/group file for docker.sock ownership to fix: api.go doesn't respect nsswitch.conf. moby/moby#38126
• cli: fix images filter when use multi reference filter. moby/moby#38171
• Bump Golang to 1.12.5. docker/engine#209
• Bump containerd to 1.2.6. moby/moby#39016
• Bump runc to 1.0.0-rc8, opencontainers/selinux v1.2.2. docker/engine#210
• Bump google.golang.org/grpc to v1.20.1. docker/engine#215
• Performance optimizations in aufs and layer store for massively parallel container creation/removal. moby/moby#39135 moby/moby#39209
• Pass root to chroot to for chroot Tar/Untar (CVE-2018-15664) moby/moby#39292

• Fix docker --init with /dev bind mount. moby/moby#37665
• Fix: fetch the right device number when greater than 255 and using --device-read-bps option. moby/moby#39212
• Fix: "Path does not exist" error when path definitely exists. moby/moby#39251
• Fix: CVE-2018-15664 symlink-exchange attack with directory traversal. moby/moby#39357

Networking

• Move IPVLAN driver out of experimental. moby/moby#38983 / docker/libnetwork#2230

• Network: add support for 'dangling' filter. moby/moby#31551
• Windows: Forcing a nil IP specified in PortBindings to IPv4zero (0.0.0.0). docker/libnetwork#2376

• Fix to make sure load balancer sandbox is deleted when a service is updated with --network-rm. docker/engine#213

Swarm

• Added support for maximum replicas per node. moby/moby#37940
• Add support for GMSA CredentialSpecs from Swarmkit configs. moby/moby#38632
• Add support for sysctl options in services. moby/moby#37701
• Add support for filtering on node labels. moby/moby#37650
• Windows: Support named pipe mounts in docker service create + stack yml. moby/moby#37400
• VXLAN UDP Port configuration support. moby/moby#38102

• Use Service Placement Constraints in Enforcer. docker/swarmkit#2857
• Increase max recv gRPC message size for nodes and secrets. docker/engine#256

Logging

• Enable gcplogs driver on windows. moby/moby#37717
• Add zero padding for RFC5424 syslog format. moby/moby#38335
• Add IMAGE_NAME attribute to journald log events. moby/moby#38032