- Container driver allows setting environment variables via `driver-opt`. [docker/buildx#170](https://github.com/docker/buildx/issues/170)

For more details, see the complete release notes in the [Buildx GitHub repository](https://github.com/docker/buildx/releases/tag/v0.4.0).

## 0.3.1

{{< release-date date="2019-09-27" >}}

### Enhancements

- Handle copying unix sockets instead of erroring. [docker/buildx#155](https://github.com/docker/buildx/issues/155)
  [moby/buildkit#1144](https://github.com/moby/buildkit/issues/1144)

### Fixes

- Running Bake with multiple Compose files now merges targets correctly. [docker/buildx#134](https://github.com/docker/buildx/issues/134)
- Fix bug when building a Dockerfile from stdin (`build -f -`).
  [docker/buildx#153](https://github.com/docker/buildx/issues/153)

For more details, see the complete release notes in the [Buildx GitHub repository](https://github.com/docker/buildx/releases/tag/v0.3.1).

## 0.3.0

{{< release-date date="2019-08-02" >}}

### New features

- Custom `buildkitd` daemon flags. [docker/buildx#102](https://github.com/docker/buildx/issues/102)
- Driver-specific options on `create`. [docker/buildx#122](https://github.com/docker/buildx/issues/122)

### Enhancements

- Environment variables are used in Compose files. [docker/buildx#117](https://github.com/docker/buildx/issues/117)
- Bake now honors `--no-cache` and `--pull`. [docker/buildx#118](https://github.com/docker/buildx/issues/118)
- Custom BuildKit config file. [docker/buildx#121](https://github.com/docker/buildx/issues/121)
- Entitlements support with `build --allow`. [docker/buildx#104](https://github.com/docker/buildx/issues/104)

### Fixes

- Fix bug where `--build-arg foo` would not read `foo` from environment. [docker/buildx#116](https://github.com/docker/buildx/issues/116)

For more details, see the complete release notes in the [Buildx GitHub repository](https://github.com/docker/buildx/releases/tag/v0.3.0).

## 0.2.2

{{< release-date date="2019-05-30" >}}

### Enhancements

- Change Compose file handling to require valid service specifications. [docker/buildx#87](https://github.com/docker/buildx/issues/87)

For more details, see the complete release notes in the [Buildx GitHub repository](https://github.com/docker/buildx/releases/tag/v0.2.2).

## 0.2.1

{{< release-date date="2019-05-25" >}}

### New features

- Add `BUILDKIT_PROGRESS` env var. [docker/buildx#69](https://github.com/docker/buildx/issues/69)
- Add `local` platform. [docker/buildx#70](https://github.com/docker/buildx/issues/70)

### Enhancements

- Keep arm variant if one is defined in the config. [docker/buildx#68](https://github.com/docker/buildx/issues/68)
- Make dockerfile relative to context. [docker/buildx#83](https://github.com/docker/buildx/issues/83)

### Fixes

- Fix parsing target from compose files. [docker/buildx#53](https://github.com/docker/buildx/issues/53)

For more details, see the complete release notes in the [Buildx GitHub repository](https://github.com/docker/buildx/releases/tag/v0.2.1).

## 0.2.0

{{< release-date date="2019-04-25" >}}

### New features

- First release

For more details, see the complete release notes in the [Buildx GitHub repository](https://github.com/docker/buildx/releases/tag/v0.2.0).