linebender/vello
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to linebender/vello got a first human reply in a median of 10.1 hours (69 pull requests, 19 April to 16 October 2026); 28% got none within 14 days. It ranks 619 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 619 of 3,219 |
|---|---|
| Score | 58.59 |
| Tier | B |
| Median first reply | 10.1 hours |
| 14-day no-reply share | 28% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | Rust |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 619 of 3,219
- Score
- 58.59
- Tier
- B
- Coverage
- 88% · Ceiling A
- Quadrant
- Sweet Spot
Coordinates: leverage 56.9 (coverage 100%), friction 35.9 (coverage 80%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 84.2 | 80% |
| Criticality | 49.2 | 100% |
| Governance | 59.3 | 100% |
| Rigor | 68.3 | 100% |
| Accessibility | 21.0 | 50% |
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. | 83.9% | 100.0 | 31 | 19 April to 18 July 2026 | primaryraw/pr_window/linebender__vello.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 27.5% | 44.9 | 69 | 20 April to 17 October 2026 | primaryraw/pr_window/linebender__vello.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | Not shown: Collector failure | ||||
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 10.1 hours (0.4 days) | 100.0 | 69 | 19 April to 16 October 2026 | primaryraw/pr_window/linebender__vello.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 232.1 hours (9.7 days) | 56.4 | 36 | 19 April to 16 October 2026 | primaryraw/pr_window/linebender__vello.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 5 | 48.8 | — | — | primaryraw/dependents/linebender__vello.json |
| Monthly DownloadsDownloads from the package registry in a month. | 141,804 downloads a month | 57.8 | — | — | primaryraw/downloads/crates__vello.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4341 | 43.4 | — | — | primaryraw/github_meta/linebender__vello.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 2 | 50.0 | 469 | — | primaryraw/commits_365d/linebender__vello.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/linebender__vello.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/linebender__vello.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/linebender__vello.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 97.761 | 97.8 | 265 | — | proxy:review_ciraw/pr_window/linebender__vello.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 45.8% | 57.2 | 59 | 19 April to 16 October 2026 | primaryraw/pr_window/linebender__vello.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 30 | — | primaryraw/actions_runs/linebender__vello.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | Not shown: Collector failure | ||||
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/linebender__vello.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Collector failure | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 619 of 3,219 | 58.59 | B | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 497 of 3,696 | 61.56 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- d0fd1093dddaefcdb7f1a9819c825410460e84ebf91cc09b7503ca5f569a4dd2
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/f5.json, under the key linebender/vello.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). linebender/vello. Snapshot 2026-10-17. https://porchlamp.org/projects/linebender/vello/. CC BY 4.0.
Similar projects
The ranked projects nearest this one in the same ecosystem.
- matrix-construct/tuwunel (rank 606)
- ron-rs/ron (rank 609)
- crate-ci/typos (rank 618)
- tw93/Kaku (rank 631)
- cberner/redb (rank 635)