chopratejas c090b617df chore(ci): drop ubuntu:20.04 + python 3.10 from smoke-import matrix ... PR #396's first dry-run on its own changes failed three smoke matrix entries — two fixed by PR #397's __libc_single_threaded shim (now on main, this PR is rebased on top), one orthogonal: ubuntu:20.04 + 3.10. Failure mode on ubuntu:20.04 + 3.10: deadsnakes PPA install path stopped reliably provisioning python3.10-venv on focal once Ubuntu 20.04 hit End of Standard Support in May 2025. The error is from apt-get, NOT from `import headroom._core` — the wheel never gets a chance to load: E: Unable to locate package python3.10-venv Continuing to promise wheel-runtime correctness on glibc 2.31 in CI would require either pulling ESM-tier ubuntu:focal images (paid / auth-gated) or pinning a specific deadsnakes snapshot URL — neither of which we want owning long-term. Floor coverage we keep: - manylinux_2_28_x86_64 (glibc 2.28 — the floor we promise) - manylinux_2_28_aarch64 (glibc 2.28 — same) - ubuntu:22.04 + 3.12 x86_64 (glibc 2.35 — issue #355's reporter env) - ubuntu:22.04 + 3.12 aarch64 (glibc 2.35 — arm equivalent) - macos-14 + 3.13 (Apple Silicon native) Test pin in tests/test_release_workflows.py (test_release_workflow_has_smoke_import_wheel_gate) only requires the manylinux floors, ubuntu:22.04, and macos-14, so this drop doesn't break the structural invariant.		2026-05-05 14:23:46 -07:00
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marketplace.json	chore(ci): drop ubuntu:20.04 + python 3.10 from smoke-import matrix	2026-05-05 14:23:46 -07:00