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| # Changelog | ||
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| For official release notes for Docker Engine CE, visit the | ||
| [release notes page](https://docs.docker.com/engine/release-notes/). | ||
|
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| ## 20.09.0 | ||
|
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| ### Deprecation / Removal | ||
|
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||
| * Sterner warnings and deprecation notice for unauthenticated tcp access [moby/moby#41285](https://github.com/moby/moby/pull/41285) | ||
| * Deprecate KernelMemory (`docker run --kernel-memory`) [moby/moby#41254](https://github.com/moby/moby/pull/41254) [docker/cli#2652](https://github.com/docker/cli/pull/2652) | ||
| * Deprecate `aufs` storage driver [docker/cli#1484](https://github.com/docker/cli/pull/1484) | ||
| * Deprecate host-discovery and overlay networks with external k/v stores [moby/moby#40614](https://github.com/moby/moby/pull/40614) [moby/moby#40510](https://github.com/moby/moby/pull/40510) | ||
| * Deprecate Dockerfile legacy 'ENV name value' syntax, use `ENV name=value` instead [docker/cli#2743](https://github.com/docker/cli/pull/2743) | ||
| * Remove deprecated "filter" parameter for API v1.41 and up [moby/moby#40491](https://github.com/moby/moby/pull/40491) | ||
| * Disable distribution manifest v2 schema 1 on push [moby/moby#41295](https://github.com/moby/moby/pull/41295) | ||
| * Remove hack MalformedHostHeaderOverride breaking old docker clients (<= 1.12) in which case, set `DOCKER_API_VERSION` [moby/moby#39076](https://github.com/moby/moby/pull/39076) | ||
| * Remove "docker engine" subcommands [docker/cli#2207](https://github.com/docker/cli/pull/2207) | ||
| * Remove experimental "deploy" from "dab" files [docker/cli#2216](https://github.com/docker/cli/pull/2216) | ||
| * Remove deprecated `docker search --automated` and `--stars` flags [docker/cli#2338](https://github.com/docker/cli/pull/2338) | ||
| * No longer allow reserved namespaces in engine labels [docker/cli#2326](https://github.com/docker/cli/pull/2326) | ||
|
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| ### API | ||
|
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| * Do not require "experimental" for metrics API [moby/moby#40427](https://github.com/moby/moby/pull/40427) | ||
| * `GET /events` now returns `prune` events after pruning resources have completed [moby/moby#41259](https://github.com/moby/moby/pull/41259) | ||
| * Prune events are returned for `container`, `network`, `volume`, `image`, and `builder`, and have a `reclaimed` attribute, indicating the amount of space reclaimed (in bytes) | ||
| * Add `one-shot` stats option to not prime the stats [moby/moby#40478](https://github.com/moby/moby/pull/40478) | ||
| * Adding OS version info to the system info's API (`/info`) [moby/moby#38349](https://github.com/moby/moby/pull/38349) | ||
| * Add DefaultAddressPools to docker info [moby/moby#40714](https://github.com/moby/moby/pull/40714) | ||
| * Add API support for PidsLimit on services [moby/moby#39882](https://github.com/moby/moby/pull/39882) | ||
|
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| ### Builder | ||
|
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| + buildkit: git: support for token authentication [moby/moby#41234](https://github.com/moby/moby/pull/41234) [docker/cli#2656](https://github.com/docker/cli/pull/2656) [moby/buildkit#1533](https://github.com/moby/buildkit/pull/1533) | ||
| + buildkit: secrets: allow providing secrets with env [moby/moby#41234](https://github.com/moby/moby/pull/41234) [docker/cli#2656](https://github.com/docker/cli/pull/2656) [moby/buildkit#1534](https://github.com/moby/buildkit/pull/1534) | ||
| + Support `--secret id=foo,env=MY_ENV` as an alternative for storing a secret value to a file. | ||
| + `--secret id=GIT_AUTH_TOKEN` will load env if it exists and the file does not. | ||
| * buildkit: Support for mirrors fallbacks, insecure TLS and custom TLS config [moby/moby#40814](https://github.com/moby/moby/pull/40814) | ||
| * buildkit: remotecache: Only visit each item once when walking results [moby/moby#41234](https://github.com/moby/moby/pull/41234) [moby/buildkit#1577](https://github.com/moby/buildkit/pull/1577) | ||
| * Improves performance and CPU use on bigger graphs | ||
| * buildkit: Check remote when local image platform doesn't match [moby/moby#40629](https://github.com/moby/moby/pull/40629) | ||
| - buildkit: image export: Use correct media type when creating new layer blobs [moby/moby#41234](https://github.com/moby/moby/pull/41234) [moby/buildkit#1541](https://github.com/moby/buildkit/pull/1541) | ||
| - buildkit: progressui: fix logs time formatting [moby/moby#41234](https://github.com/moby/moby/pull/41234) [docker/cli#2656](https://github.com/docker/cli/pull/2656) [moby/buildkit#1549](https://github.com/moby/buildkit/pull/1549) | ||
| - buildkit: mitigate containerd issue on parallel push [moby/moby#41234](https://github.com/moby/moby/pull/41234) [moby/buildkit#1548](https://github.com/moby/buildkit/pull/1548) | ||
| - buildkit: inline cache: fix handling of duplicate blobs [moby/moby#41234](https://github.com/moby/moby/pull/41234) [moby/buildkit#1568](https://github.com/moby/buildkit/pull/1568) | ||
| - Fixes https://github.com/moby/buildkit/issues/1388 cache-from working unreliably | ||
| - Fixes https://github.com/moby/moby/issues/41219 Image built from cached layers is missing data | ||
| * Allow ssh:// for remote context URLs [moby/moby#40179](https://github.com/moby/moby/pull/40179) | ||
| * builder: remove legacy build's session handling (was experimental) [moby/moby#39983](https://github.com/moby/moby/pull/39983) | ||
|
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| ### Client | ||
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| + Add swarm jobs support to CLI [docker/cli#2262](https://github.com/docker/cli/pull/2262) | ||
| + Add capabilities support to stack/service commands [docker/cli#2687](https://github.com/docker/cli/pull/2687) | ||
| + Add `-a/--all-tags` to docker push [docker/cli#2220](https://github.com/docker/cli/pull/2220) | ||
| + Add support for Kubernetes username/password auth [docker/cli#2308](https://github.com/docker/cli/pull/2308) | ||
| + Add `--pull=missing|always|never` to `run` and `create` commands [docker/cli#1498](https://github.com/docker/cli/pull/1498) | ||
| + Add `--env-file` flag to `docker exec` for parsing environment variables from a file [docker/cli#2602](https://github.com/docker/cli/pull/2602) | ||
| + Add shorthand `-n` for --tail option [docker/cli#2646](https://github.com/docker/cli/pull/2646) | ||
| + Add log-driver and options to service inspect "pretty" format [docker/cli#1950](https://github.com/docker/cli/pull/1950) | ||
| + docker run: specify cgroup namespace mode with `--cgroupns` [docker/cli#2024](https://github.com/docker/cli/pull/2024) | ||
| + `docker manifest rm` command to remove manifest list draft from local storage [docker/cli#2449](https://github.com/docker/cli/pull/2449) | ||
| * Add "context" to "docker version" and "docker info" [docker/cli#2500](https://github.com/docker/cli/pull/2500) | ||
| * Propagate platform flag to container create API [docker/cli#2551](https://github.com/docker/cli/pull/2551) | ||
| * The `docker ps --format` flag now has a `.State` placeholder to print the container's state without additional details about uptime and health check [docker/cli#2000](https://github.com/docker/cli/pull/2000) | ||
| * Add support for docker-compose schema v3.9 [docker/cli#2073](https://github.com/docker/cli/pull/2073) | ||
| * Add support for docker push --quiet [docker/cli#2197](https://github.com/docker/cli/pull/2197) | ||
| * Hide flags that are not supported by BuildKit, if BuildKit is enabled [docker/cli#2123](https://github.com/docker/cli/pull/2123) | ||
| * Update flag description for `docker rm -v` to clarify the option only removes anonymous (unnamed) volumes [docker/cli#2289](https://github.com/docker/cli/pull/2289) | ||
| * Improve tasks printing for docker services [docker/cli#2341](https://github.com/docker/cli/pull/2341) | ||
| * Use ssh multiplexing [docker/cli#2132](https://github.com/docker/cli/pull/2132) | ||
| * docker info: list CLI plugins alphabetically [docker/cli#2236](https://github.com/docker/cli/pull/2236) | ||
| - Fix order of processing of `--label-add/--label-rm`, `--container-label-add/--container-label-rm`, and `--env-add/--env-rm` flags on `docker service update` to allow replacing existing values [docker/cli#2668](https://github.com/docker/cli/pull/2668) | ||
| - Fix `docker rm --force` returning a non-zero exit code if one or more containers did not exist [docker/cli#2678](https://github.com/docker/cli/pull/2678) | ||
| - Improve memory stats display by using `total_inactive_file` instead of `cache`[docker/cli#2415](https://github.com/docker/cli/pull/2415) | ||
| - Mitigate against YAML files that has excessive aliasing [docker/cli#2117](https://github.com/docker/cli/pull/2117) | ||
| - Allow using advanced syntax when setting a config or secret with only the source field [docker/cli#2243](https://github.com/docker/cli/pull/2243) | ||
| - Fix reading config files containing `username` and `password` auth even if `auth` is empty [docker/cli#2122](https://github.com/docker/cli/pull/2122) | ||
| - docker cp: prevent NPE when failing to stat destination [docker/cli#2221](https://github.com/docker/cli/pull/2221) | ||
| - config: preserve ownership and permissions on configfile [docker/cli#2228](https://github.com/docker/cli/pull/2228) | ||
|
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| ### Logging | ||
|
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| + Support reading `docker logs` with all logging drivers (best effort) [moby/moby#40543](https://github.com/moby/moby/pull/40543) | ||
| + Add `splunk-index-acknowledgment` log option to work with Splunk HECs with index acknowledgment enabled [moby/moby#39987](https://github.com/moby/moby/pull/39987) | ||
| * Add partial metadata to journald logs [moby/moby#41407](https://github.com/moby/moby/pull/41407) | ||
| * Reduce allocations for logfile reader [moby/moby#40796](https://github.com/moby/moby/pull/40796) | ||
| * Fluentd: add fluentd-async, fluentd-request-ack, and deprecate fluentd-async-connect [moby/moby#39086](https://github.com/moby/moby/pull/39086) | ||
|
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| ### Runtime | ||
|
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| + Support cgroup2 [moby/moby#40174](https://github.com/moby/moby/pull/40174) [moby/moby#40657](https://github.com/moby/moby/pull/40657) [moby/moby#40662](https://github.com/moby/moby/pull/40662) | ||
| * cgroup2: use "systemd" cgroup driver by default when available [moby/moby#40846](https://github.com/moby/moby/pull/40846) | ||
| + new storage driver: fuse-overlayfs [moby/moby#40483](https://github.com/moby/moby/pull/40483) | ||
| + Update containerd binary to v1.4.0 [moby/moby#40982](https://github.com/moby/moby/pull/40982) | ||
| + `docker push` now defaults to `latest` tag instead of all tags [moby/moby#40302](https://github.com/moby/moby/pull/40302) | ||
| + Added ability to change the number of reconnect attempts during connection loss while pulling an image by adding max-download-attempts to the config file [moby/moby#39949](https://github.com/moby/moby/pull/39949) | ||
| + Add support new built-in runtime for using the containerd v2 shim by using the runtime `com.docker.runtime.runc.v2` [moby/moby#41182](https://github.com/moby/moby/pull/41182) | ||
| * cgroup v1: change the default runtime to io.containerd.runc.v2. Requires containerd v1.3.0 or later. v1.3.5 or later is recommended [moby/moby#41210](https://github.com/moby/moby/pull/41210) | ||
| * Start containers in their own cgroup namespaces [moby/moby#38377](https://github.com/moby/moby/pull/38377) | ||
| * Enable DNS Lookups for CIFS Volumes [moby/moby#39250](https://github.com/moby/moby/pull/39250) | ||
| * Use MemAvailable instead of MemFree to estimate actual available memory [moby/moby#39481](https://github.com/moby/moby/pull/39481) | ||
| * The `--device` flag in `docker run` will now be honored when the container is started in privileged mode [moby/moby#40291](https://github.com/moby/moby/pull/40291) | ||
| * Enforce reserved internal labels [moby/moby#40394](https://github.com/moby/moby/pull/40394) | ||
| * Raise minimum memory limit to 6M, to account for higher memory use by runtimes during container startup [moby/moby#41168](https://github.com/moby/moby/pull/41168) | ||
| * Add support for `CAP_PERFMON`, `CAP_BPF`, and `CAP_CHECKPOINT_RESTORE` on supported kernels [moby/moby#41460](https://github.com/moby/moby/pull/41460) | ||
| * vendor runc v1.0.0-rc92 [moby/moby#41344](https://github.com/moby/moby/pull/41344) [moby/moby#41317](https://github.com/moby/moby/pull/41317) | ||
| * info: add warnings about missing blkio cgroup support [moby/moby#41083](https://github.com/moby/moby/pull/41083) | ||
| * Accept platform spec on container create [moby/moby#40725](https://github.com/moby/moby/pull/40725) | ||
| - Fix handling of looking up user- and group-names with spaces [moby/moby#41377](https://github.com/moby/moby/pull/41377) | ||
|
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| ### Networking | ||
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| + Support host.docker.internal in dockerd on Linux [moby/moby#40007](https://github.com/moby/moby/pull/40007) | ||
| * Include IPv6 address of linked containers in /etc/hosts [moby/moby#39837](https://github.com/moby/moby/pull/39837) | ||
| * Add alias for hostname if hostname != container name [moby/moby#39204](https://github.com/moby/moby/pull/39204) | ||
| * Better selection of DNS server (with systemd) [moby/moby#41022](https://github.com/moby/moby/pull/41022) | ||
| - Add docker interfaces to firewalld docker zone [moby/moby#41189](https://github.com/moby/moby/pull/41189) [moby/libnetwork#2548](https://github.com/moby/libnetwork/pull/2548) | ||
| - Fixes DNS issue on CentOS8 [docker/for-linux#957](https://github.com/docker/for-linux/issues/957) | ||
| - Fixes Port Forwarding on RHEL 8 with Firewalld running with FirewallBackend=nftables [moby/libnetwork#2496](https://github.com/moby/libnetwork/issues/2496) | ||
| - Fix an issue reporting 'failed to get network during CreateEndpoint' [moby/moby#41189](https://github.com/moby/moby/pull/41189) [moby/libnetwork#2554](https://github.com/moby/libnetwork/pull/2554) | ||
| - Log error instead of disabling IPv6 router advertisement failed [moby/moby#41189](https://github.com/moby/moby/pull/41189) [moby/libnetwork#2563](https://github.com/moby/libnetwork/pull/2563) | ||
| - No longer ignore `--default-address-pool` option in certain cases [moby/moby#40711](https://github.com/moby/moby/pull/40711) | ||
| - Produce an error with invalid address pool [moby/moby#40808](https://github.com/moby/moby/pull/40808) [moby/libnetwork#2538](https://github.com/moby/libnetwork/pull/2538) | ||
| - Fix `DOCKER-USER` chain not created when IPTableEnable=false [moby/moby#40808](https://github.com/moby/moby/pull/40808) [moby/libnetwork#2471](https://github.com/moby/libnetwork/pull/2471) | ||
| - Fix panic on startup in systemd environments [moby/moby#40808](https://github.com/moby/moby/pull/40808) [moby/libnetwork#2544](https://github.com/moby/libnetwork/pull/2544) | ||
| - Fix issue preventing containers to communicate over macvlan internal network [moby/moby#40596](https://github.com/moby/moby/pull/40596) [moby/libnetwork#2407](https://github.com/moby/libnetwork/pull/2407) | ||
| - Fix InhibitIPv4 nil panic [moby/moby#40596](https://github.com/moby/moby/pull/40596) | ||
| - Fix VFP leak in Windows overlay network deletion [moby/moby#40596](https://github.com/moby/moby/pull/40596) [moby/libnetwork#2524](https://github.com/moby/libnetwork/pull/2524) | ||
|
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| ### Packaging | ||
|
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||
| * docker.service: Add multi-user.target to After= in unit file [moby/moby#41297](https://github.com/moby/moby/pull/41297) | ||
| * docker.service: Allow socket activation [moby/moby#37470](https://github.com/moby/moby/pull/37470) | ||
|
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| ### Rootless | ||
|
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||
| * rootless: graduate from experimental [moby/moby#40759](https://github.com/moby/moby/pull/40759) | ||
| + Add dockerd-rootless-setuptool.sh [moby/moby#40950](https://github.com/moby/moby/pull/40950) | ||
| * Support `--exec-opt native.cgroupdriver=systemd` [moby/moby#40486](https://github.com/moby/moby/pull/40486) | ||
|
|
||
| ### Security | ||
|
|
||
| * Fix CVE-2019-14271 loading of nsswitch based config inside chroot under Glibc [moby/moby#39612](https://github.com/moby/moby/pull/39612) | ||
| * seccomp: Whitelist `clock_adjtime`. `CAP_SYS_TIME` is still required for time adjustment [moby/moby#40929](https://github.com/moby/moby/pull/40929) | ||
| * seccomp: Add openat2 and faccessat2 to default seccomp profile [moby/moby#41353](https://github.com/moby/moby/pull/41353) | ||
| * seccomp: allow 'rseq' syscall in default seccomp profile [moby/moby#41158](https://github.com/moby/moby/pull/41158) | ||
| * seccomp: Remove dependency in dockerd on libseccomp [moby/moby#41395](https://github.com/moby/moby/pull/41395) | ||
| * seccomp: allow syscall membarrier [moby/moby#40731](https://github.com/moby/moby/pull/40731) | ||
| * seccomp: whitelist io-uring related system calls [moby/moby#39415](https://github.com/moby/moby/pull/39415) | ||
| * Add default sysctls to allow ping sockets and privileged ports with no capabilities [moby/moby#41030](https://github.com/moby/moby/pull/41030) | ||
| - Fix seccomp profile for clone syscall [moby/moby#39308](https://github.com/moby/moby/pull/39308) | ||
|
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||
| ### Swarm | ||
|
|
||
| + Add support for swarm jobs [moby/moby#40307](https://github.com/moby/moby/pull/40307) | ||
| + Add support for sending down service Running and Desired task counts [moby/moby#39231](https://github.com/moby/moby/pull/39231) | ||
| + service: support --mount type=bind,bind-nonrecursive [moby/moby#38788](https://github.com/moby/moby/pull/38788) | ||
| + Support ulimits on Swarm services. [moby/moby#41284](https://github.com/moby/moby/pull/41284) [docker/cli#2712](https://github.com/docker/cli/pull/2712) | ||
| + Add support for capabilities options in services [moby/moby#39173](https://github.com/moby/moby/pull/39173) | ||
| + Service cap-add/cap-drop: add special "RESET" value [docker/cli#2709](https://github.com/docker/cli/pull/2709) | ||
| * Replace swarm Capabilites API with cap add/drop API [moby/moby#41249](https://github.com/moby/moby/pull/41249) | ||
| - Fixed an issue where service logs could leak goroutines on the worker [moby/moby#40426](https://github.com/moby/moby/pull/40426) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 18.10.0-ce-dev | ||
| 20.09.0-rc1 |