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Docker Engine 24.0 release notes Learn about the new features, bug fixes, and breaking changes for Docker Engine docker, docker engine, ce, whats new, release notes 1 2 true
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This page describes the latest changes, additions, known issues, and fixes for Docker Engine version 24.0.

For more information about:

24.0.5

{% include release-date.html date="2023-07-24" %}

For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones:

Bug fixes and enhancements

  • The Go client now avoids using UNIX socket paths in the HTTP Host: header, in order to be compatible with changes introduced in go1.20.6. moby/moby#45962, moby/moby#45990
  • containerd storage backend: Fix Variant not being included in docker image inspect and GET /images/{name}/json. moby/moby#46025
  • containerd storage backend: Prevent potential garbage collection of content during image export. moby/moby#46021
  • containerd storage backend: Prevent duplicate digest entries in RepoDigests. moby/moby#46014
  • containerd storage backend: Fix operations taking place against the incorrect tag when working with an image referenced by tag and digest. moby/moby#46013
  • containerd storage backend: Fix a panic caused by EXPOSE when building containers with the legacy builder. moby/moby#45921
  • Fix a regression causing unintuitive errors to be returned when attempting to create an overlay network on a non-Swarm node. moby/moby#45974
  • Properly report errors parsing volume specifications from the command line. docker/cli#4423
  • Fix a panic caused when auths: null is found in the CLI config file. docker/cli#4450

Packaging updates

24.0.4

{% include release-date.html date="2023-07-07" %}

For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones:

Bug fixes and enhancements

  • Fix a regression introduced during 24.0.3 that causes a panic during live-restore of containers with bind mounts. moby/moby#45903

24.0.3

{% include release-date.html date="2023-07-06" %}

For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones:

Bug fixes and enhancements

  • containerd image store: Fix an issue where multi-platform images that did not include a manifest for the default platform could not be interacted with. moby/moby#45849
  • containerd image store: Fix specious attempts to cache FROM scratch in container builds. moby/moby#45822
  • containerd image store: Fix docker cp with snapshotters that cannot mount the same content multiple times. moby/moby#45780, moby/moby#45786
  • containerd image store: Fix builds with type=image not being correctly unpacked/stored. moby/moby#45692
  • containerd image store: Fix incorrectly attempting to unpack pseudo-images (including attestations) in docker load. moby/moby#45688
  • containerd image store: Correctly set the user agent, and include additional information like the snapshotter when interacting with registries. moby/moby#45671, moby/moby#45684
  • containerd image store: Fix a failure to unpack already-pulled content after switching between snapshotters. moby/moby#45678
  • containerd image store: Fix images that have been re-tagged or with all tags removed being pruned while still in use. moby/moby#45857
  • Fix a Swarm CSI issue where the Topology field was not propagated into NodeCSIInfo. moby/moby#45810
  • Fix failures to add new Swarm managers caused by a very large raft log. moby/moby#45703, moby/swarmkit#3122, moby/swarmkit#3128
  • name_to_handle_at(2) is now always allowed in the default seccomp profile. moby/moby#45833
  • Fix an issue that prevented encrypted Swarm overlay networks from working on ports other than the default (4789). moby/moby#45637
  • Fix a failure to restore mount reference-counts during live-restore. moby/moby#45824
  • Fix various networking-related failures during live-restore. moby/moby#45658, moby/moby#45659
  • Fix running containers restoring with a zero (successful) exit status when the daemon is unexpectedly terminated. moby/moby#45801
  • Fix a potential panic while executing healthcheck probes. moby/moby#45798
  • Fix a panic caused by a race condition in container exec start. moby/moby#45794
  • Fix an exception caused by attaching a terminal to an exec with a non-existent command. moby/moby#45643
  • Fix host-gateway with BuildKit by passing the IP as a label (also requires docker/buildx#1894). moby/moby#45790
  • Fix an issue where POST /containers/{id}/stop would forcefully terminate the container when the request was canceled, instead of waiting until the specified timeout for a 'graceful' stop. moby/moby#45774
  • Fix an issue where docker cp -a from the root (/) directory would fail. moby/moby#45748
  • Improve compatibility with non-runc container runtimes by more correctly setting resource constraint parameters in the OCI config. moby/moby#45746
  • Fix an issue caused by overlapping subuid/subgid ranges in certain configurations (e.g. LDAP) in rootless mode. moby/moby#45747, rootless-containers/rootlesskit#369
  • Greatly reduce CPU and memory usage while populating the Debug section of GET /info. moby/moby#45856
  • Fix an issue where debug information was not correctly printed during docker info when only the client is in debug mode. docker/cli#4393
  • Fix issues related to hung connections when connecting to hosts over a SSH connection. docker/cli#4395

Packaging updates

24.0.2

{% include release-date.html date="2023-05-26" %}

For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones:

Bug fixes and enhancements

  • Fix a panic during build when referencing locally tagged images. moby/buildkit#3899, moby/moby#45582
  • Fix builds potentially failing with exit code: 4294967295 when performing many concurrent build stages. moby/moby#45620
  • Fix DNS resolution on Windows ignoring etc/hosts (%WINDIR%\System32\Drivers\etc\hosts), including resolution of localhost. moby/moby#45562
  • Apply a workaround for a containerd bug that causes concurrent docker exec commands to take significantly longer than expected. moby/moby#45625
  • containerd image store: Fix an issue where the image Created field would contain an incorrect value. moby/moby#45623
  • containerd image store: Adjust the output of image pull progress so that the output has the same format regardless of whether the containerd image store is enabled. moby/moby#45602
  • containerd image store: Switching between the default and containerd image store now requires a daemon restart. moby/moby#45616

Packaging updates

24.0.1

{% include release-date.html date="2023-05-19" %}

For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones:

Removed

  • Remove CLI completions for storage drivers removed in the 24.0 major release. docker/cli#4302

Bug fixes and enhancements

  • Fix an issue where DNS query NXDOMAIN replies from external servers were forwarded to the client as SERVFAIL. moby/moby#45573
  • Fix an issue where docker pull --platform would report No such image regarding another tag pointing to the same image. moby/moby#45562
  • Fix an issue where insecure registry configuration would be forgotten during config reload. moby/moby#45571
  • containerd image store: Fix an issue where images which have no layers would not be listed in docker images -a moby/moby#45588
  • API: Fix an issue where GET /images/{id}/json would return null instead of empty RepoTags and RepoDigests. moby/moby#45564
  • API: Fix an issue where POST /commit did not accept an empty request body. moby/moby#45568

Packaging updates

24.0.0

{% include release-date.html date="2023-05-16" %}

For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones:

New

  • Introduce experimental support for containerd as the content store (replacing the existing storage drivers). moby/moby#43735, other moby/moby pull requests
  • The --host CLI flag now supports a path component in a ssh:// host address, allowing use of an alternate socket path without configuration on the remote host. docker/cli#4073
  • The docker info CLI command now reports a version and platform field. docker/cli#4180
  • Introduce the daemon flag --default-network-opt to configure options for newly created networks. moby/moby#43197
  • Restrict access to AF_VSOCK in the socket(2) family of syscalls in the default seccomp profile. moby/moby#44562
  • Introduce support for setting OCI runtime annotations on containers. docker/cli#45025, moby/moby#45025
  • Alternative runtimes can now be configured in daemon.json, enabling runtime names to be aliased and options to be passed. moby/moby#45032
  • The docker-init binary will now be discovered in FHS-compliant libexec directories, in addition to the PATH. moby/moby#45198
  • API: Surface the daemon-level --no-new-privileges in GET /info. moby/moby#45320

Removed

  • docker info no longer reports IndexServiceAddress. docker/cli#4204
  • libnetwork: Remove fallback code for obsolete kernel versions. moby/moby#44684, moby/moby#44802
  • libnetwork: Remove unused code related to classic Swarm. moby/moby#44965
  • libnetwork: Remove usage of the xt_u32 kernel module from encrypted Swarm overlay networks. moby/moby#45281
  • Remove support for BuildKit's deprecated buildinfo in favor of standard provenance attestations. moby/moby#45097
  • Remove the deprecated AUFS and legacy overlay storage drivers. moby/moby#45342, moby/moby#45359
  • Remove the deprecated overlay2.override_kernel_check storage driver option. moby/moby#45368
  • Remove workarounds for obsolete versions of apparmor_parser from the AppArmor profiles. moby/moby#45500
  • API: GET /images/json no longer represents empty RepoTags and RepoDigests as<none>:<none>/<none>@<none>. Empty arrays are returned instead on API >= 1.43. moby/moby#45068

Deprecated

  • Deprecate the --oom-score-adjust daemon option. moby/moby#45315
  • API: Deprecate the VirtualSize field in GET /images/json and GET /images/{id}/json. moby/moby#45346

Bug fixes and enhancements

  • The docker stack command no longer validates the build section of Compose files. docker/cli#4214
  • Fix lingering healthcheck processes after the timeout is reached. moby/moby#43739
  • Reduce the overhead of container startup when using the overlay2 storage driver. moby/moby#44285
  • API: Handle multiple before= and since= filters in GET /images. moby/moby#44503
  • Fix numerous bugs in the embedded DNS resolver implementation used by user-defined networks. moby/moby#44664
  • Add execDuration field to the map of event attributes. moby/moby#45494
  • Swarm-level networks can now be created with the Windows internal, l2bridge, and nat drivers. moby/swarmkit#3121, moby/moby#45291

Packaging updates