Docker Engine v28.1.1 and v28.1.0: Removals, Bug Fixes, Packaging Updates, Networking Improvements, and New Features

- Remove support for pulling legacy v2, schema 1 images and remove `DOCKER_ENABLE_DEPRECATED_PULL_SCHEMA_1_IMAGE` environment-variable. [moby/moby#50036](https://github.com/moby/moby/pull/50036), [moby/moby#42300](https://github.com/moby/moby/pull/42300) - The `BridgeNfIptables` and `BridgeNfIp6tables` fields in the `GET /info` response were deprecated in API v1.48, and are now omitted in API v1.50. [moby/moby#49904](https://github.com/moby/moby/pull/49904) - errdefs: Deprecate `errdefs.FromStatusCode`. Use containerd's `errhttp.ToNative` instead. [moby/moby#50030](https://github.com/moby/moby/pull/50030) ## 28.1.1 {{< release-date date="2025-04-18" >}} For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones: - [docker/cli, 28.1.1 milestone](https://github.com/docker/cli/issues?q=is%3Aclosed+milestone%3A28.1.1) - [moby/moby, 28.1.1 milestone](https://github.com/moby/moby/issues?q=is%3Aclosed+milestone%3A28.1.1) ### Bug fixes and enhancements - Fix `dockerd-rootless-setuptool.sh` incorrectly reporting missing `iptables`. [moby/moby#49833](https://github.com/moby/moby/pull/49833) - containerd image store: Fix a potential daemon crash when using `docker load` with archives containing zero-size tar headers. [moby/moby#49837](https://github.com/moby/moby/pull/49837) ### Packaging updates - Update Buildx to [v0.23.0](https://github.com/docker/buildx/releases/tag/v0.23.0). [docker/docker-ce-packaging#1185](https://github.com/docker/docker-ce-packaging/pull/1185) - Update Compose to [v2.35.1](https://github.com/docker/compose/releases/tag/v2.35.1). [docker/docker-ce-packaging#1188](https://github.com/docker/docker-ce-packaging/pull/1188) ### Networking - Add a warning to a container's `/etc/resolv.conf` when no upstream DNS servers were found. [moby/moby#49827](https://github.com/moby/moby/pull/49827) ## 28.1.0 {{< release-date date="2025-04-17" >}} For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones: - [docker/cli, 28.1.0 milestone](https://github.com/docker/cli/issues?q=is%3Aclosed+milestone%3A28.1.0) - [moby/moby, 28.1.0 milestone](https://github.com/moby/moby/issues?q=is%3Aclosed+milestone%3A28.1.0) ### New - Add `docker bake` sub-command as alias for `docker buildx bake`. [docker/cli#5947](https://github.com/docker/cli/pull/5947) - Experimental: add a new `--use-api-socket` flag on `docker run` and `docker create` to enable access to Docker socket from inside a container and to share credentials from the host with the container. [docker/cli#5858](https://github.com/docker/cli/pull/5858) - `docker image inspect` now supports a `--platform` flag to inspect a specific platform of a multi-platform image. [docker/cli#5934](https://github.com/docker/cli/pull/5934) ### Bug fixes and enhancements - Add CLI shell-completion for context names. [docker/cli#6016](https://github.com/docker/cli/pull/6016) - Fix `docker images --tree` not including non-container images content size in the total image content size. [docker/cli#6000](https://github.com/docker/cli/pull/6000) - Fix `docker load` not preserving replaced images. [moby/moby#49650](https://github.com/moby/moby/pull/49650) - Fix `docker login` hints when logging in to a custom registry. [docker/cli#6015](https://github.com/docker/cli/pull/6015) - Fix `docker stats` not working properly on machines with high CPU core count. [moby/moby#49734](https://github.com/moby/moby/pull/49734) - Fix a regression causing `docker pull/push` to fail when interacting with a private repository. [docker/cli#5964](https://github.com/docker/cli/pull/5964) - Fix an issue preventing rootless Docker setup on a host with no `ip_tables` kernel module. [moby/moby#49727](https://github.com/moby/moby/pull/49727) - Fix an issue that could lead to unwanted iptables rules being restored and never deleted following a firewalld reload. [moby/moby#49728](https://github.com/moby/moby/pull/49728) - Improve CLI completion of `docker service scale`. [docker/cli#5968](https://github.com/docker/cli/pull/5968)

This section summarizes changes in Docker Engine versions 28.1.1 and 28.1.0. It includes the removal of legacy image support and deprecated API fields, bug fixes related to `dockerd-rootless-setuptool.sh`, image loading, statistics, and networking issues. Packaging updates include Buildx and Compose versions. Networking improvements include a warning for missing DNS servers. New features in v28.1.0 include the `docker bake` alias, experimental Docker socket access from containers, and a `--platform` flag for `docker image inspect`.