Docker Buildx Release Notes: v0.6.0 (Continued) and v0.5.1

- Support for OpenTelemetry traces and forwarding Buildx client traces to BuildKit. [docker/buildx#635](https://github.com/docker/buildx/issues/635) - Experimental GitHub Actions remote cache backend with `--cache-to type=gha` and `--cache-from type=gha`. [docker/buildx#535](https://github.com/docker/buildx/issues/535) - New `--metadata-file` flag has been added to build and Bake command that allows saving build result metadata in JSON format. [docker/buildx#605](https://github.com/docker/buildx/issues/605) - This is the first release supporting Windows ARM64. [docker/buildx#654](https://github.com/docker/buildx/issues/654) - This is the first release supporting Linux Risc-V. [docker/buildx#652](https://github.com/docker/buildx/issues/652) - Bake now supports building from remote definition with local files or another remote source as context. [docker/buildx#671](https://github.com/docker/buildx/issues/671) - Bake now allows variables to reference each other and using user functions in variables and vice-versa. [docker/buildx#575](https://github.com/docker/buildx/issues/575), [docker/buildx#539](https://github.com/docker/buildx/issues/539), [docker/buildx#532](https://github.com/docker/buildx/issues/532) - Bake allows defining attributes in the global scope. [docker/buildx#541](https://github.com/docker/buildx/issues/541) - Bake allows variables across multiple files. [docker/buildx#538](https://github.com/docker/buildx/issues/538) - New quiet mode has been added to progress printer. [docker/buildx#558](https://github.com/docker/buildx/issues/558) - `kubernetes` driver now supports defining resources/limits. [docker/buildx#618](https://github.com/docker/buildx/issues/618) - Buildx binaries can now be accessed through [buildx-bin](https://hub.docker.com/r/docker/buildx-bin) Docker image. [docker/buildx#656](https://github.com/docker/buildx/issues/656) ### Enhancements - `docker-container` driver now keeps BuildKit state in volume. Enabling updates with keeping state. [docker/buildx#672](https://github.com/docker/buildx/issues/672) - Compose parser is now based on new [compose-go parser](https://github.com/compose-spec/compose-go) fixing support for some newer syntax. [docker/buildx#669](https://github.com/docker/buildx/issues/669) - SSH socket is now automatically forwarded when building an ssh-based git URL. [docker/buildx#581](https://github.com/docker/buildx/issues/581) - Bake HCL parser has been rewritten. [docker/buildx#645](https://github.com/docker/buildx/issues/645) - Extend HCL support with more functions. [docker/buildx#491](https://github.com/docker/buildx/issues/491) [docker/buildx#503](https://github.com/docker/buildx/issues/503) - Allow secrets from environment variables. [docker/buildx#488](https://github.com/docker/buildx/issues/488) - Builds with an unsupported multi-platform and load configuration now fail fast. [docker/buildx#582](https://github.com/docker/buildx/issues/582) - Store Kubernetes config file to make buildx builder switchable. [docker/buildx#497](https://github.com/docker/buildx/issues/497) - Kubernetes now lists all pods as nodes on inspection. [docker/buildx#477](https://github.com/docker/buildx/issues/477) - Default Rootless image has been set to `moby/buildkit:buildx-stable-1-rootless`. [docker/buildx#480](https://github.com/docker/buildx/issues/480) ### Fixes - `imagetools create` command now correctly merges JSON descriptor with old one. [docker/buildx#592](https://github.com/docker/buildx/issues/592) - Fix building with `--network=none` not requiring extra security entitlements. [docker/buildx#531](https://github.com/docker/buildx/issues/531) For more details, see the complete release notes in the [Buildx GitHub repository](https://github.com/docker/buildx/releases/tag/v0.6.0). ## 0.5.1 {{< release-date date="2020-12-15" >}} ### Fixes - Fix regression on setting `--platform` on `buildx create` outside `kubernetes` driver. [docker/buildx#475](https://github.com/docker/buildx/issues/475)

Continuation of Docker Buildx v0.6.0 release notes, highlighting new features like OpenTelemetry traces, GitHub Actions remote cache, metadata file support, Windows ARM64, Linux Risc-V, Bake improvements, global attributes, cross-file variables, quiet mode, Kubernetes resources/limits, and buildx-bin image. Enhancements include docker-container driver state volume, Compose parser update, SSH socket forwarding, HCL parser rewrite, environment variable secrets, multi-platform build failures, Kubernetes config storage, pod listing, and default Rootless image. Fixes an imagetools create issue and `--network=none` builds. v0.5.1 fixes a `--platform` regression on `buildx create`.