Issues

• Make it easier to test libcnb::Env values (eg upstream/export environment_as_sorted_vector())

  enhancementlibcnb
  heroku/libcnb.rs#995 · Filter by author edmorley opened on Apr 9, 2026

• Add Execution Environments support (CNB_EXEC_ENV) per Buildpack API 0.12

  heroku/libcnb.rs#990 · Filter by author schneems opened on Mar 30, 2026

• libcnb-test: testing the /tmp/libcnb-telemetry traces

  libcnb-test
  heroku/libcnb.rs#983 · Filter by author mars opened on Feb 3, 2026
  1

• Automatically Use Proxy from Environment Variables

  enhancementlibherokubuildpack
  heroku/libcnb.rs#946 · Filter by author very-doge-wow opened on May 27, 2025
  2

• libcnb-test: assert_contains_match! fails to compile unless regex crate manually added

  buglibcnb-test
  heroku/libcnb.rs#944 · Filter by author edmorley opened on May 12, 2025

• libcnb-test: Consider using --network bridge when running pack build

  faster testslibcnb-test
  heroku/libcnb.rs#943 · Filter by author edmorley opened on May 8, 2025

• Applying a LayerEnv with Scope::All does not include "layer paths"

  heroku/libcnb.rs#939 · Filter by author schneems opened on Apr 29, 2025

• Remove support for Windows containers

  libcnblibcnb-data
  heroku/libcnb.rs#911 · Filter by author edmorley opened on Feb 19, 2025

• Bug when prepending to PATH twice on the same layer

  heroku/libcnb.rs#899 · Filter by author schneems opened on Jan 10, 2025
  5

• Add a CONTRIBUTING.md

  documentation
  heroku/libcnb.rs#893 · Filter by author edmorley opened on Dec 18, 2024
  2

• Missing command from failed context.run_shell_command invocations

  enhancementlibcnb-test
  heroku/libcnb.rs#892 · Filter by author schneems opened on Dec 11, 2024

• Add an overview of libcnb features to the README

  documentation
  heroku/libcnb.rs#872 · Filter by author edmorley opened on Oct 21, 2024

• on_error could benefit from providing more context

  enhancementlibcnb
  heroku/libcnb.rs#860 · Filter by author colincasey opened on Sep 10, 2024
  1

• Cannot todo the invalid_metadata_action

  heroku/libcnb.rs#859 · Filter by author schneems opened on Sep 9, 2024
  1

• Make usage of mutable references to libcnb::Env more ergonomic

  enhancementlibcnb
  heroku/libcnb.rs#850 · Filter by author edmorley opened on Aug 2, 2024

• Change EmptyLayerCause::{InvalidMetadataAction,RestoredLayerAction} to be tuple enum variant

  breaking changeenhancementlibcnb
  heroku/libcnb.rs#849 · Filter by author edmorley opened on Aug 2, 2024

• Struct layer API docs are missing layer.write_metadata() calls

  documentationlibcnb
  heroku/libcnb.rs#845 · Filter by author edmorley opened on Jul 22, 2024

• Decouple LayerEnv from implicit CNB layer env rules

  enhancementlibcnb
  heroku/libcnb.rs#842 · Filter by author Malax opened on Jul 18, 2024

• BuildConfig: Want to get values that I set

  enhancementlibcnb-test
  heroku/libcnb.rs#825 · Filter by author schneems opened on May 17, 2024

• Improve buildpack packaging

  enhancementlibcnb-package
  heroku/libcnb.rs#810 · Filter by author runesoerensen opened on Mar 25, 2024

• Improve error message when env vars such as CNB_TARGET_OS are not set

  enhancementlibcnb
  heroku/libcnb.rs#803 · Filter by author edmorley opened on Feb 29, 2024

• Improve ergonomics for Append/Prepend use cases in LayerEnv API

  enhancementlibcnb
  heroku/libcnb.rs#790 · Filter by author colincasey opened on Feb 22, 2024
  4

• Confusing No buildpacks found! error message when buildpack.toml parsing fails

  buglibcnb-package
  heroku/libcnb.rs#788 · Filter by author joshwlewis opened on Feb 16, 2024
  6

• Consider renaming MappedWrite::unwrap to MappedWrite::into_inner

  libherokubuildpack
  heroku/libcnb.rs#781 · Filter by author edmorley opened on Feb 14, 2024

• Improve implementation of MappedWrite

  enhancementlibherokubuildpack
  heroku/libcnb.rs#779 · Filter by author edmorley opened on Feb 14, 2024