v4.2.1

heroku/procfile

Changed

• Updated libcnb to 0.28.1, which includes tracing improvements/fixes. (#269)

v4.2.0

heroku/procfile

Changed

• Updated libcnb to 0.28.0, which includes the switch to the tracing crate for OpenTelemetry. (#266)

v4.1.0

heroku/procfile

Changed

• Updated libcnb to 0.27.0, which includes opentelemetry 0.28 and the new custom OTLP File Exporter. (#262)

v4.0.0

heroku/procfile

Changed

• Regex based parser has been removed in favor of a winnow based parser combinator, the format is now more strict. See SPEC.md for more details. (#255)
  • Keys starting with spaces now emit a warning
  • Underscore key characters (_) are now converted to hyphens (-) and emit a warning
  • Uppercase key characters are now converted to lowercase and emit a warning
  • Invalid keys now error, previously they were ignored

v3.2.0

heroku/procfile

Changed

• Build output style updated to bullet_stream. Output now also includes the commands that were pulled from the Procfile in the output. (#252)

v3.1.2

heroku/procfile

Changed

• Upgraded Rust dependencies. (#232 and #235)

Removed

• Removed [[stacks]] table workaround from buildpack.toml. (#231)

v3.1.1

heroku/procfile

Fixed

• No changes to functionality. New release to fix incorrectly published artifacts in 3.1.0.

v3.1.0

heroku/procfile

Added

• Support for arm64 and multi-arch images. (#225)

v3.0.1

heroku/procfile

Changed

• Switched Docker Hub repository from docker.io/heroku/procfile-cnb to docker.io/heroku/buildpack-procfile. (#219)
• Renamed GitHub repository from heroku/procfile-cnb to heroku/buildpacks-procfile. (#216)

v3.0.0

heroku/procfile

Added

• Enabled tracing/telemetry via libcnb's trace feature. (#208)

Changed

• Updated to Buildpack API 0.10. (#205)
  • All launch processes are now wrapped in bash -c instead of using CNB's direct = false directive, which is no longer available.
  • .profile and .profile.d scripts will no longer be automatically sourced.
  • CNB Lifecycle 0.17 or newer is now required.