Ed Morley

Seen this again here in a Ruby build (but during the Node.js install phase): https://github.com/heroku/cnb-builder-images/actions/runs/14593488249/job/40933939775#step:6:28 ``` # Heroku Node.js Engine - Checking Node.js version - Node.js version not specified, using...

Also related: #8439

Is switching from `optparse` to `click` still a prerequisite for this?

> Basically, if the Python files are installed to a read-only directory, then importing those files will be permanently slower as the .pyc files will never be cached. A perhaps...

Good question. We need some way to version the schema, but using something like `schema-version` (like `project.toml` uses) for composite buildpacks would seem a bit strange when component buildpacks don't...

This issue is currently in the `lifecycle 0.17.3` milestone, but (a) this issue it should probably be in one of the newer milestones, (b) the `lifecycle 0.17.3` milestone should probably...

> * Heroku buildpacks take a hit for fetching the latest buildpack details which is why the "No code change" run is so much faster(39s vs. 5s) with a Dockerfile....

> `Warning: Builder is trusted but additional modules were added; using the untrusted (5 phases) build flow`. In case it helps, there's some backstory on this warning in: - https://github.com/buildpacks/pack/issues/2221...

The `Creating registry cache` line comes from here: https://github.com/buildpacks/pack/blob/92bc87b297695e4ac6baf559bad2efd55aecec1f/internal/registry/registry_cache.go#L173

It's not clear to me whether that note is now out of date, or whether PyPI doesn't yet support manylinux (and that it was just that support was added to...