linebender/xilem
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to linebender/xilem got a first human reply in a median of 2.1 days (44 pull requests, 19 April to 16 October 2026); 7% got none within 14 days. It ranks 833 of 3,219 overall. For first-time contributors it ranks 489 of 1,525 (the top 33%).
| Rank | 833 of 3,219 |
|---|---|
| Score | 56.73 |
| Tier | B |
| Median first reply | 2.1 days (49.6 hours) |
| 14-day no-reply share | 7% |
| First-timer rank | 489 of 1,525 |
| Ecosystem | Rust |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 833 of 3,219
- Score
- 56.73
- Tier
- B
- Coverage
- 100% · Full
- Quadrant
- Nursery
Coordinates: leverage 49.1 (coverage 100%), friction 35.4 (coverage 100%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 71.3 | 100% |
| Criticality | 33.7 | 100% |
| Governance | 59.3 | 100% |
| Rigor | 68.2 | 100% |
| Accessibility | 55.9 | 100% |
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. | 89.7% | 100.0 | 29 | 19 April to 18 July 2026 | primaryraw/pr_window/linebender__xilem.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 7.0% | 86.0 | 43 | 20 April to 17 October 2026 | primaryraw/pr_window/linebender__xilem.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 70.8% | 88.5 | 24 | — | primaryraw/author_history/linebender__xilem.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 49.6 hours (2.1 days) | 48.8 | 44 | 19 April to 16 October 2026 | primaryraw/pr_window/linebender__xilem.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 1150.2 hours (47.9 days) | 10.7 | 30 | 19 April to 16 October 2026 | primaryraw/pr_window/linebender__xilem.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 1 | 36.4 | — | — | primaryraw/dependents/linebender__xilem.json |
| Monthly DownloadsDownloads from the package registry in a month. | 934 downloads a month | 25.4 | — | — | primaryraw/downloads/crates__xilem.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.3643 | 36.4 | — | — | primaryraw/github_meta/linebender__xilem.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 | 313 | — | primaryraw/commits_365d/linebender__xilem.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__xilem.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__xilem.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__xilem.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 88.4848 | 88.5 | 55 | — | proxy:review_ciraw/pr_window/linebender__xilem.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 55.6% | 69.5 | 36 | 19 April to 16 October 2026 | primaryraw/pr_window/linebender__xilem.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 85 | 85.0 | 30 | — | primaryraw/actions_runs/linebender__xilem.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 78.6% | 100.0 | 14 | — | primaryraw/author_history/linebender__xilem.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/linebender__xilem.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | 27.3% | 54.5 | 11 | — | primaryraw/author_history/linebender__xilem.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 833 of 3,219 | 56.73 | B | Rated |
| First-timer | 489 of 1,525 | 60.82 | B | Rated |
| 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 | 696 of 3,696 | 59.36 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 7c9bce22a215f282969a6b0e4f4252168243848be243138458a06284abe2fbc3
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/e1.json, under the key linebender/xilem.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). linebender/xilem. Snapshot 2026-10-17. https://porchlamp.org/projects/linebender/xilem/. CC BY 4.0.
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