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engine: 29.8.0 #25967

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46 changes: 46 additions & 0 deletions content/manuals/engine/release-notes/29.md
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Expand Up @@ -22,6 +22,52 @@ For more information about:
- Deprecated and removed features, see [Deprecated Engine Features](../deprecated.md).
- Changes to the Engine API, see [Engine API version history](/reference/api/engine/version-history/).

## 29.8.0-rc.1

{{< release-date date="2026-08-28" >}}

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

- [docker/cli, 29.8.0 milestone](https://github.com/docker/cli/issues?q=is%3Aclosed+milestone%3A29.8.0)
- [moby/moby, 29.8.0 milestone](https://github.com/moby/moby/issues?q=is%3Aclosed+milestone%3A29.8.0)

### Bug fixes and enhancements

- containerd image store: Fix `docker image inspect` reporting a smaller image size than `docker image ls`. [moby/moby#53426](https://github.com/moby/moby/pull/53426)
- Do not log expected image signature identity misses as errors for containerd image store images. [moby/moby#53495](https://github.com/moby/moby/pull/53495)
- dockerd now uses the embedded containerd if no system containerd service is configured and containerd is not installed. [moby/moby#53388](https://github.com/moby/moby/pull/53388)
- Fix `GET /images/{name}/json` not including unpacked snapshot usage in `Size` when using the containerd image store. [moby/moby#53426](https://github.com/moby/moby/pull/53426)
- Fix NRI container metadata so `Container.Args` includes the resolved executable as `argv[0]`, matching the process launched in the container instead of only the Docker `Cmd`. [moby/moby#53423](https://github.com/moby/moby/pull/53423)
- Fix Swarm service creation failing when an automatically generated name is already in use. [moby/moby#53468](https://github.com/moby/moby/pull/53468)
- Fixed `docker ps` sorting published ports lexicographically instead of numerically. [docker/cli#7144](https://github.com/docker/cli/pull/7144)
- Reject checkpoint IDs containing path separators to prevent access outside the container checkpoint directory. [moby/moby#53377](https://github.com/moby/moby/pull/53377)

### Packaging updates

- Update BuildKit to [v0.33.0-rc1](https://github.com/moby/buildkit/releases/tag/v0.33.0-rc1). [moby/moby#53476](https://github.com/moby/moby/pull/53476)
- Update containerd (static binaries) to [v2.3.4](https://github.com/containerd/containerd/releases/tag/v2.3.4). [moby/moby#53409](https://github.com/moby/moby/pull/53409)
- Update Go runtime to [1.26.7](https://go.dev/doc/devel/release#go1.26.7). [docker/cli#7224](https://github.com/docker/cli/pull/7224)
- Update runc (in static binaries) to [v1.5.1](https://github.com/opencontainers/runc/releases/tag/v1.5.1). [moby/moby#52306](https://github.com/moby/moby/pull/52306)

### Networking

- Fix a node gossiping a superseded value for a Swarm service discovery entry after concurrent updates to the same key. [moby/moby#53479](https://github.com/moby/moby/pull/53479)
- Fix Swarm service names failing to resolve on a node indefinitely after it misses a network membership announcement. [moby/moby#53437](https://github.com/moby/moby/pull/53437)
- Fix Swarm service names failing to resolve on healthy nodes after a transient node failure. [moby/moby#53142](https://github.com/moby/moby/pull/53142)
- Reduce gossip traffic generated by a node that repeatedly disconnects and rejoins the cluster. [moby/moby#53479](https://github.com/moby/moby/pull/53479)
- Remote network-driver plugins can now set the container-side interface name via the `DstName` field in their `Join` response. [moby/moby#52866](https://github.com/moby/moby/pull/52866)
- Reserve network names "container" and "container:" to prevent creation of unusable networks. [moby/moby#51973](https://github.com/moby/moby/pull/51973)
- Spread the daemon's periodic Swarm overlay network gossip and synchronization work over time, avoiding recurring bursts of CPU and network usage. [moby/moby#53475](https://github.com/moby/moby/pull/53475)

### Rootless

- Fix `--disable-host-loopback` not being enforced for the `pasta` network driver in rootless mode. [moby/moby#53358](https://github.com/moby/moby/pull/53358)
- Update RootlessKit to v3.1.0, adding support for the `pesto` port driver in rootless mode. Set `DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=pesto` to use it; it requires the `pasta` network driver and supports IPv4 only. [moby/moby#53358](https://github.com/moby/moby/pull/53358)

### API

- Fix `docker network inspect` failing to find a healthy Swarm network when another Swarm network could not be allocated. [moby/moby#53325](https://github.com/moby/moby/pull/53325)

## 29.7.2

{{< release-date date="2026-08-05" >}}
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