carla-simulator/carla
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to carla-simulator/carla got a first human reply in a median of 3.7 days (119 pull requests, 18 April to 15 October 2026); 19% got none within 14 days. It ranks 1,202 of 3,219 overall. For first-time contributors it ranks 889 of 1,525 (the bottom 42%).
| Rank | 1,202 of 3,219 |
|---|---|
| Score | 53.62 |
| Tier | C |
| Median first reply | 3.7 days (89.2 hours) |
| 14-day no-reply share | 19% |
| First-timer rank | 889 of 1,525 |
| Ecosystem | C and C++ |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 1,202 of 3,219
- Score
- 53.62
- Tier
- C
- Coverage
- 100% · Full
- Quadrant
- Sweet Spot
Coordinates: leverage 53.0 (coverage 100%), friction 45.9 (coverage 100%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 57.4 | 100% |
| Criticality | 45.6 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 66.9 | 100% |
| Accessibility | 51.5 | 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. | 96.2% | 100.0 | 52 | 18 April to 17 July 2026 | primaryraw/pr_window/carla-simulator__carla.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 19.3% | 61.5 | 109 | 20 April to 17 October 2026 | primaryraw/pr_window/carla-simulator__carla.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 47.4% | 59.2 | 38 | — | primaryraw/author_history/carla-simulator__carla.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 89.2 hours (3.7 days) | 27.6 | 119 | 18 April to 15 October 2026 | primaryraw/pr_window/carla-simulator__carla.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 620.1 hours (25.8 days) | 30.4 | 113 | 18 April to 15 October 2026 | primaryraw/pr_window/carla-simulator__carla.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Not applicable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4565 | 45.6 | — | — | proxy:no_dependents_signalraw/github_meta/carla-simulator__carla.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 | 504 | — | primaryraw/commits_365d/carla-simulator__carla.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/carla-simulator__carla.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/carla-simulator__carla.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | Written AI policy | 95.0 | — | — | primaryraw/governance/carla-simulator__carla.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 70 | 70.0 | — | — | primaryraw/scorecard/carla-simulator__carla.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 27.8% | 34.7 | 144 | 18 April to 15 October 2026 | primaryraw/pr_window/carla-simulator__carla.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 35 | 35.0 | 30 | — | primaryraw/actions_runs/carla-simulator__carla.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 66.7% | 100.0 | 12 | — | primaryraw/author_history/carla-simulator__carla.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/carla-simulator__carla.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | 37.5% | 75.0 | 8 | — | primaryraw/author_history/carla-simulator__carla.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,202 of 3,219 | 53.62 | C | Rated |
| First-timer | 889 of 1,525 | 54.37 | C | 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 | 956 of 3,696 | 56.75 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 2081b530cc72fa10b0fa0d8c85c3e28c2380b08c58e2b2b817b404b889bb50e3
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/ba.json, under the key carla-simulator/carla.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). carla-simulator/carla. Snapshot 2026-10-17. https://porchlamp.org/projects/carla-simulator/carla/. CC BY 4.0.
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