quinn-rs/quinn
What happens to a stranger's pull request here, in the Porchlamp snapshot of 14 October 2026.
Outside pull requests to quinn got a first human reply in a median of 1.9 hours (201 pull requests, 11 April to 8 October 2026); 5% got none within 14 days. It ranks 135 of 3,833 overall and 302 of 1,968 for first-time contributors.
Rating
- Score: 68.71
- Coverage: 100% · Full
- Tier: B
- Quadrant: Sweet Spot
- Ecosystem: crates.io (Rust)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 81.7 | 100% |
| Criticality | 71.6 | 100% |
| Governance | 76.8 | 100% |
| Rigor | 53.2 | 100% |
| Accessibility | 47.0 | 100% |
Rank in each lens
| Lens | Standing |
|---|---|
| Balanced | Rank 135 of 3,833 |
| First-timer | Rank 302 of 1,968 |
| Career capital | Rank 96 of 823 |
| Senior systems | Rank 70 of 1,206 |
| AI-assisted | Rank 276 of 3,929 |
The measured parameters
| Parameter | Value | Count | Window | What it measures |
|---|---|---|---|---|
| Time to First Response | 1.89 | 201 | 11 April to 8 October 2026 | Median hours from an outside pull request opening to its first substantive human reply. |
| Decision Rate (90d) | 0.7647 | 51 | 11 April to 10 July 2026 | Share of outside pull requests that were merged or closed within 90 days. |
| First-timer Merge Rate | 0.439 | 41 | — | Share of first-time outside authors' decided pull requests that were merged. |
| PR Ghost Rate (14d) | 0.0507 | 138 | 16 April to 13 October 2026 | Share of outside pull requests with no maintainer response, merge or close within 14 days. |
| Time to Merge (p90) | 356.3839 | 151 | 11 April to 8 October 2026 | Hours within which 90% of merged outside pull requests were merged. |
| Dependents | 146 | — | — | Packages in the registry that depend on this project, counted once each. |
| OpenSSF Criticality | 0.5094 | — | — | OpenSSF criticality score from 0 to 1, computed from the project's public activity signals. |
| Monthly Downloads | 40686316 | — | — | Downloads from the package registry in a month. |
| Legal IP Regime | NONE | — | — | The contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. |
| Elephant Factor | 5 | 270 | — | The fewest organisations that account for half of the last year's commits. |
| Promotion Ladder | AD_HOC | — | — | How openly a contributor can become a maintainer, from closed to verified. |
| Pipeline Defenses | 80 | — | — | How well the project's build and review pipeline defends against bad changes, 0 to 100. |
| AI Policy Posture | AD_HOC | — | — | Whether the project has a written policy on AI-assisted contributions. |
| Substantive Review Rate | 0.245 | 200 | 11 April to 8 October 2026 | Share of decided pull requests that received a substantive review. |
| Newcomer Issue Supply | 1 | — | — | Open, unassigned, up-to-date issues marked for newcomers. |
| Newcomer Conversion | 0.4667 | 15 | — | Share of first-time authors whose first pull request merged within 180 days. |
| Newcomer Return Rate | 0 | 7 | — | Share of those merged first-time authors who sent a second pull request within 90 days. |
| Developer Experience | 72.2917 | 30 | — | Developer experience, 0 to 100: half CI run time, half setup signals. |
Similar projects
The ranked projects nearest this one in the same ecosystem.
- rust-lang/rust-clippy (rank 128)
- bytecodealliance/wasmtime (rank 129)
- tokio-rs/mio (rank 130)
- image-rs/image (rank 136)
- clap-rs/clap (rank 141)
Evidence
- Snapshot 2026-10-14, data as of 13 October 2026.
- Record hash:
362297a0dc92d8924e721a5ba94dcf2c2409768a1143d4da884b2c3a7c063b03 - The full record is in data/2026-10-14/repos/3c.json, under the key
quinn-rs/quinn. - How every number is measured: Porchlamp methodology.
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