rayon-rs/rayon
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
For rayon-rs/rayon, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 44% of 16 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 2,462 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 2,462 of 3,219 |
|---|---|
| Score | 42.67 |
| Tier | C |
| Median first reply | — |
| 14-day no-reply share | 44% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | Rust |
| Window | 20 April to 17 October 2026 |
Composite
- Rank
- 2,462 of 3,219
- Score
- 42.67
- Tier
- C
- Coverage
- 72% · Ceiling B
- Quadrant
- Crucible
Coordinates: leverage 61.0 (coverage 91%), friction 73.3 (coverage 55%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 12.5 | 15% |
| Criticality | 73.5 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 47.1 | 70% |
| Accessibility | 26.7 | 85% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | Not shown: Insufficient sample size | ||||
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 43.8% | 12.5 | 16 | 20 April to 17 October 2026 | primaryraw/pr_window/rayon-rs__rayon.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | Not shown: Insufficient sample size | ||||
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | Not shown: Insufficient sample size | ||||
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | Not shown: Insufficient sample size | ||||
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 3,576 | 93.7 | — | — | primaryraw/dependents/rayon-rs__rayon.json |
| Monthly DownloadsDownloads from the package registry in a month. | 46.0 million downloads a month | 87.5 | — | — | primaryraw/downloads/crates__rayon.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4043 | 40.4 | — | — | primaryraw/github_meta/rayon-rs__rayon.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 1 | 25.0 | 50 | — | primaryraw/commits_365d/rayon-rs__rayon.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | No CLA or sign-off found | 85.0 | — | — | primaryraw/governance/rayon-rs__rayon.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/rayon-rs__rayon.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | No written AI policy | 40.0 | — | — | primaryraw/governance/rayon-rs__rayon.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 52.5 | 52.5 | — | — | primaryraw/scorecard/rayon-rs__rayon.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | Not shown: Insufficient sample size | ||||
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 50 | 50.0 | 30 | — | primaryraw/actions_runs/rayon-rs__rayon.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 16.7% | 33.3 | 6 | — | primaryraw/author_history/rayon-rs__rayon.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 1 | 10.0 | — | — | primaryraw/gfi/rayon-rs__rayon.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Insufficient sample size | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 2,462 of 3,219 | 42.67 | C | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| Career capital | 747 of 798 | 45.85 | C | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 2,670 of 3,696 | 43.94 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- e7b15968b5d3f53e65099147f1fc234ced14c1a4f0eac531db841ce88e9719eb
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/4a.json, under the key rayon-rs/rayon.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). rayon-rs/rayon. Snapshot 2026-10-17. https://porchlamp.org/projects/rayon-rs/rayon/. CC BY 4.0.
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