- Fix `additional_contexts` field not working correctly when pointing to another service. [docker/buildx#3090](https://github.com/docker/buildx/pull/3090)
- Fix empty validation block crashing the Bake HCL parser. [docker/buildx#3101](https://github.com/docker/buildx/pull/3101)
## 0.22.0
{{< release-date date="2025-03-18" >}}
The full release notes for this release are available
[on GitHub](https://github.com/docker/buildx/releases/tag/v0.22.0).
### New
- New command `buildx history import` lets you import build records into Docker Desktop for further debugging in the [Build UI](/desktop/use-desktop/builds/). This command requires [Docker Desktop](/desktop/) to be installed. [docker/buildx#3039](https://github.com/docker/buildx/pull/3039)
### Enhancements
- History records can now be opened by offset from the latest in `history inspect`, `history logs` and `history open` commands (e.g. `^1`). [docker/buildx#3049](https://github.com/docker/buildx/pull/3049), [docker/buildx#3055](https://github.com/docker/buildx/pull/3055)
- Bake now supports the `+=` operator to append when using `--set` for overrides. [docker/buildx#3031](https://github.com/docker/buildx/pull/3031)
- Docker container driver adds GPU devices to the container if available. [docker/buildx#3063](https://github.com/docker/buildx/pull/3063)
- Annotations can now be set when using overrides with Bake. [docker/buildx#2997](https://github.com/docker/buildx/pull/2997)
- NetBSD binaries are now included in the release. [docker/buildx#2901](https://github.com/docker/buildx/pull/2901)
- The `inspect` and `create` commands now return an error if a node fails to boot. [docker/buildx#3062](https://github.com/docker/buildx/pull/3062)
### Bug fixes
- Fix double pushing with Docker driver when the containerd image store is enabled. [docker/buildx#3023](https://github.com/docker/buildx/pull/3023)
- Fix multiple tags being pushed for `imagetools create` command. Now only the final manifest pushes by tag. [docker/buildx#3024](https://github.com/docker/buildx/pull/3024)
## 0.21.0
{{< release-date date="2025-02-19" >}}
The full release notes for this release are available
[on GitHub](https://github.com/docker/buildx/releases/tag/v0.21.0).
### New
- New command `buildx history trace` lets you inspect traces of a build in a Jaeger UI-based viewer and compare one trace with another. [docker/buildx#2904](https://github.com/docker/buildx/pull/2904)
### Enhancements
- The history inspection command `buildx history inspect` now supports custom formatting with `--format` flag and JSON formatting for machine-readable output. [docker/buildx#2964](https://github.com/docker/buildx/pull/2964)
- Support for CDI device entitlement in build and bake. [docker/buildx#2994](https://github.com/docker/buildx/pull/2994)
- Supported CDI devices are now shown in the builder inspection. [docker/buildx#2983](https://github.com/docker/buildx/pull/2983)
- When using [GitHub Cache backend `type=gha`](cache/backends/gha.md), the URL for the Version 2 or API is now read from the environment and sent to BuildKit. Version 2 backend requires BuildKit v0.20.0 or later. [docker/buildx#2983](https://github.com/docker/buildx/pull/2983), [docker/buildx#3001](https://github.com/docker/buildx/pull/3001)
### Bug fixes
- Avoid unnecessary warnings and prompts when using `--progress=rawjson`. [docker/buildx#2957](https://github.com/docker/buildx/pull/2957)
- Fix regression with debug shell sometimes not working correctly on `--on=error`. [docker/buildx#2958](https://github.com/docker/buildx/pull/2958)
- Fix possible panic errors when using an unknown variable in the Bake definition. [docker/buildx#2960](https://github.com/docker/buildx/pull/2960)
- Fix invalid duplicate output on JSON format formatting of `buildx ls` command. [docker/buildx#2970](https://github.com/docker/buildx/pull/2970)
- Fix bake handling cache imports with CSV string containing multiple registry references. [docker/buildx#2944](https://github.com/docker/buildx/pull/2944)