Add OIDC-based buildpack release workflow#2099
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Calls the shared `_classic-buildpack-publish.yml` workflow from `heroku/languages-github-actions` to publish the `heroku/python` buildpack to the registry via OIDC.
edmorley
requested changes
Jun 8, 2026
- Rename to "Release Buildpack" for consistency with the CNB release workflows - Remove the workflow_dispatch "qa" input; QA staging publishes stay an optional feature of the reusable workflow, enabled from a test buildpack when needed rather than exposed on every classic buildpack caller - Drop the now-unused "qa" with: input (reusable workflow defaults it to false)
edmorley
changed the title
This was referenced Jun 8, 2026
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Calls the shared
_classic-buildpack-publish.ymlworkflow fromheroku/languages-github-actionsto publish theheroku/pythonbuildpack to the registry via OIDC.Auto-triggers when the Linguist-authored "Prepare release" PR is merged to
main(guarded on event, branch, repo, and PR author). Also supports manualworkflow_dispatch.Mirrors the pattern established in heroku/heroku-buildpack-nodejs#1653.
W-22295409 is the reference implementation; this is the python caller workflow for the OIDC-Based Classic Buildpack Publishing epic.
W-22295419