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We're excited to ship the very first release of diff-coverage, a developer‑focused CLI that makes coverage on changed code
fast, reliable, and CI‑friendly. Built for teams who want actionable coverage signals without slow or unreliable pipelines.
What's new
Blazing‑fast runs: up to ~108× faster mean wall‑time vs Python diff‑cover in larger runs
Coverage directories supported: point to directories (not just single files) for flexible CI setups
--fail-under support: enforce quality gates directly in your pipeline
Why it matters diff-coverage is designed for modern dev workflows—fast enough for tight inner loops, strict enough for
CI, and predictable across mono‑repos and multi‑coverage setups.
Thanks for being part of the very first release — more to come!