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4.39.0 release notes #22092

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4.39.0 release notes
lorenrh Feb 24, 2025
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aevesdocker Mar 5, 2025
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52 changes: 51 additions & 1 deletion content/manuals/desktop/release-notes.md
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>
> If you're experiencing malware detection issues on Mac, follow the steps documented in [docker/for-mac#7527](https://github.com/docker/for-mac/issues/7527).
## 4.39.0

{{< release-date date="2025-03-05" >}}

{{< desktop-install-v2 all=true beta_win_arm=true version="4.39.0" build_path="/184744/" >}}

### New

- The [Docker Desktop CLI](/manuals/desktop/features/desktop-cli.md) is now generally available. You can now also print logs with the new `docker desktop logs` command.
- Docker Desktop now supports the `--platform` flag on [`docker load`](/reference/cli/docker/image/load.md) and [`docker save`](/reference/cli/docker/image/save.md). This enables users to import and export a subset of multi-platform images.

### Upgrades

- [Docker Compose v2.33.1](https://github.com/docker/compose/releases/tag/v2.33.1)
- [Docker Buildx v0.21.1](https://github.com/docker/buildx/releases/tag/v0.21.1)
- [Kubernetes v1.32.2](https://github.com/kubernetes/kubernetes/releases/tag/v1.32.2)
- [Docker Engine v28.0.1](https://docs.docker.com/engine/release-notes/28/#2801)
- [Docker Scout CLI v1.16.3](https://github.com/docker/scout-cli/releases/tag/v1.16.3)

### Bug fixes and enhancements

#### For all platforms

- Ask Gordon now offers deeper context on docker images, containers, and volumes, delivers faster support, and enables more user actions via Docker Desktop and the Docker CLI.

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[Docker.Capitalization] Please capitalize Docker.

Raw Output:
{"message": "[Docker.Capitalization] Please capitalize Docker.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 55, "column": 42}}}, "severity": "ERROR"}
- Support multi-platform images via enabling users to pick a specific platform in `docker history`
- Fixed an issue that caused clients other than the CLI and Docker Desktop to see a delay of 3 seconds whenever a container with port-mappings exists. See [docker/for-mac#7575](https://github.com/docker/for-mac/issues/7575)

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[vale] reported by reviewdog 🐶
[Vale.Terms] Use 'Mac' instead of 'mac'.

Raw Output:
{"message": "[Vale.Terms] Use 'Mac' instead of 'mac'.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 57, "column": 168}}}, "severity": "ERROR"}
- Fixed a bug in the ECI Docker socket permissions which was causing it to sometimes block Docker socket mounts on containers with allowed images, or images derived from allowed images.
- Fixed a bug that prevented Docker Desktop from entering Resource Saver mode again immediately after an engine restart.

#### For Mac

- Downgraded Linux kernel to `v6.10.14` to fix a bug in OpenJDK that causes Java containers to terminate due to cgroups controller misidentification. See [docker/for-mac#7573](https://github.com/docker/for-mac/issues/7573).

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[vale] reported by reviewdog 🐶
[Vale.Terms] Use 'Mac' instead of 'mac'.

Raw Output:
{"message": "[Vale.Terms] Use 'Mac' instead of 'mac'.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 63, "column": 167}}}, "severity": "ERROR"}
- Added `/usr/share/misc/usb.ids` in the root mount namespace to fix `usbip`.
- Fixed an issue where the display of the CPU limit was capped at 8 when using Docker VMM.

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[vale] reported by reviewdog 🐶
[Docker.Acronyms] 'VMM' has no definition.

Raw Output:
{"message": "[Docker.Acronyms] 'VMM' has no definition.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 65, "column": 87}}}, "severity": "WARNING"}
- Fixed an issue where startup would hang and the `com.docker.backend` process consumed 100% of the CPU. See [docker/for-mac#6951](https://github.com/docker/for-mac/issues/6951).

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[vale] reported by reviewdog 🐶
[Vale.Terms] Use 'Mac' instead of 'mac'.

Raw Output:
{"message": "[Vale.Terms] Use 'Mac' instead of 'mac'.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 66, "column": 122}}}, "severity": "ERROR"}
- Fixed a bug that caused all Java programs running on M4 Macbook Pro to emit a SIGILL error. See [docker/for-mac#7583](https://github.com/docker/for-mac/issues/7583).

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[vale] reported by reviewdog 🐶
[Vale.Spelling] Did you really mean 'Macbook'?

Raw Output:
{"message": "[Vale.Spelling] Did you really mean 'Macbook'?", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 67, "column": 59}}}, "severity": "ERROR"}

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[vale] reported by reviewdog 🐶
[Vale.Terms] Use 'Mac' instead of 'mac'.

Raw Output:
{"message": "[Vale.Terms] Use 'Mac' instead of 'mac'.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 67, "column": 111}}}, "severity": "ERROR"}
- Blocked startup on macOS 15.4 beta 1 since starting VMs will cause the host to crash, see https://developer.apple.com/documentation/macos-release-notes/macos-15_4-release-notes#Virtual-Machines.
- Fixed an issue where the myIPAddress PAC file function retrieved the host IP from the wrong interface, causing incorrect proxy selection.

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[vale] reported by reviewdog 🐶
[Docker.Acronyms] 'PAC' has no definition.

Raw Output:
{"message": "[Docker.Acronyms] 'PAC' has no definition.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 69, "column": 40}}}, "severity": "WARNING"}

#### For Windows

- Fixed a bug that prevented `docker compose log` to stream when running apps in WSL.
- Fixed a bug where Paketo buildpacks failed with Enhanced Container Isolation when Docker Desktop uses WSL.
- Fixed a bug where the WSL 2 integration would fail if WSL Version 1 distributions are installed.
- Fixed a bug that caused some CLI plugins update to fail if WSL distributions were enabled.

#### For Linux

- The **Software Updates** page in settings, now points to the latest available version available.

## 4.38.0

{{< release-date date="2025-01-30" >}}
Expand Down Expand Up @@ -1425,7 +1475,7 @@

#### For Mac

- Fixed a kernel panic on Apple silicon Macs with macOS version below 12.5. Fixes [docker/for-mac#6975](https://github.com/docker/for-mac/issues/6975).
- Fixed a kernel panic on Apple Silicon Macs with macOS version below 12.5. Fixes [docker/for-mac#6975](https://github.com/docker/for-mac/issues/6975).

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[Docker.RecommendedWords] Consider using 'following' instead of 'below'

Raw Output:
{"message": "[Docker.RecommendedWords] Consider using 'following' instead of 'below'", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 1478, "column": 65}}}, "severity": "INFO"}

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GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[Vale.Terms] Use 'Mac' instead of 'mac'.

Raw Output:
{"message": "[Vale.Terms] Use 'Mac' instead of 'mac'.", "location": {"path": "content/manuals/desktop/release-notes.md", "range": {"start": {"line": 1478, "column": 95}}}, "severity": "ERROR"}
- Fixed a bug where Docker Desktop failed to start if invalid directories were included in `filesharingDirectories`. Fixes [docker/for-mac#6980](https://github.com/docker/for-mac/issues/6980).
- Fixed a bug where installer is creating root-owned directories. Fixes [docker/for-mac#6984](https://github.com/docker/for-mac/issues/6984).
- Fixed a bug where installer is failing on setting up the docker socket when missing `/Library/LaunchDaemons`. Fixes [docker/for-mac#6967](https://github.com/docker/for-mac/issues/6967).
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