PorchlampFind the projects that leave the light on.2026-10-17

What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

For evcxr/evcxr, the reply time and the share with no reply within 14 days both have too small a sample to measure (0 and 5 pull requests counted; 10 needed). It ranks 1,401 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Key facts
Rank1,401 of 3,219
Score52.10
TierC
Median first reply—
14-day no-reply share—
First-timer rankNot enough evidence to show under this lens.
EcosystemRust
Window—

Composite

Rank
1,401 of 3,219
Score
52.10
Tier
C
Coverage
70% · Ceiling B
Quadrant
Nursery

Coordinates: leverage 41.3 (coverage 100%), friction 34.1 (coverage 45%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness93.110%
Criticality44.6100%
Governance50.5100%
Rigor29.6100%
Accessibility21.050%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
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.Not shown: Insufficient sample size
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.34.9 hours (1.5 days)93.12619 April to 16 October 2026primaryraw/pr_window/evcxr__evcxr.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.548.8——primaryraw/dependents/evcxr__evcxr.json
Monthly DownloadsDownloads from the package registry in a month.56,257 downloads a month53.7——primaryraw/downloads/crates__evcxr.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.333133.3——primaryraw/github_meta/evcxr__evcxr.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.074—primaryraw/commits_365d/evcxr__evcxr.json
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.No CLA or sign-off found85.0——primaryraw/governance/evcxr__evcxr.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/evcxr__evcxr.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/evcxr__evcxr.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.41.666741.740—proxy:review_ciraw/pr_window/evcxr__evcxr.json
Substantive Review RateShare of decided pull requests that received a substantive review.2.4%3.04219 April to 16 October 2026primaryraw/pr_window/evcxr__evcxr.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.7070.030—primaryraw/actions_runs/evcxr__evcxr.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.Not shown: Insufficient sample size
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/evcxr__evcxr.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

PersonaRankScoreTierStatus
Balanced1,401 of 3,21952.10CRated
First-timerNot enough evidence to show under this lens.
Career capitalThis repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted2,227 of 3,69647.55CRated

Integrity

Snapshot
2026-10-17
Raw hash
d5beb602d6de10e0d92af50a2f45c36a47e37baaac7ebade164a536f783b8cc9

closed_unread

The full record is in data/2026-10-17/repos/29.json, under the key evcxr/evcxr.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). evcxr/evcxr. Snapshot 2026-10-17. https://porchlamp.org/projects/evcxr/evcxr/. CC BY 4.0.

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