docker/buildx v0.21.0-rc1

on GitHub

buildx 0.21.0-rc1

Welcome to the v0.21.0-rc1 release of buildx!
This is a pre-release of buildx

Please try out the release binaries and report any issues at
https://github.com/docker/buildx/issues.

Contributors

• CrazyMax
• Tõnis Tiigi
• Sebastiaan van Stijn
• Jonathan A. Sternberg
• David Karlsson
• Nicolas De Loof

Notable Changes

• New command buildx history trace allows inspecting traces of a build in a Jaeger UI-based viewer and comparing one trace with another. #2904
• The history inspection command buildx history inspect now supports custom formatting with --format flag and JSON formatting for machine-readable output. #2964
• Supported CDI devices are now shown in the builder inspection. #2983
• When using Github Cache backend type=gha, 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. #2983
• Avoid unnecessary warnings and prompts when using --progress=rawjson #2957
• Fix regression with debug shell sometimes not working correctly on --on=error #2958
• Fix possible panic errors when using an unknown variable in the Bake definition. #2960
• Fix invalid duplicate output on JSON format formatting of buildx ls command. #2970
• Fix bake handling cache imports with CSV string containing multiple registry references. #2944

Dependency Changes

• github.com/Azure/go-ansiterm d185dfc1b5a1 -> faa5f7b0171c
• github.com/docker/cli v27.5.0 -> v27.5.1
• github.com/docker/docker v27.5.0 -> v27.5.1
• github.com/moby/buildkit v0.19.0 -> v0.20.0-rc1
• github.com/moby/term v0.5.0 -> v0.5.2
• github.com/tonistiigi/jaeger-ui-rest 7d4944a45bb6 new
• go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.31.0 new
• golang.org/x/exp 701f63a606c0 -> 2d47ceb2692f
• google.golang.org/genproto/googleapis/api 5fefd90f89a9 -> 324edc3d5d38
• google.golang.org/grpc v1.68.1 -> v1.69.4

Previous release can be found at v0.20.1