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 knowm/XChange, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 45% of 22 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 2,959 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Key facts
Rank2,959 of 3,219
Score35.00
TierD
Median first reply—
14-day no-reply share45%
First-timer rankNot enough evidence to show under this lens.
EcosystemJava
Window20 April to 17 October 2026

Composite

Rank
2,959 of 3,219
Score
35.00
Tier
D
Coverage
66% · Ceiling B
Quadrant
Graveyard

Coordinates: leverage 45.8 (coverage 73%), friction 72.8 (coverage 60%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness7.325%
Criticality48.447%
Governance59.3100%
Rigor32.6100%
Accessibility28.885%

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.45.5%9.12220 April to 17 October 2026primaryraw/pr_window/knowm__XChange.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.1773.4 hours (73.9 days)4.64520 April to 17 October 2026primaryraw/pr_window/knowm__XChange.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.Not shown: Third-party data unavailable
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.0.48448.4——proxy:no_dependents_signalraw/github_meta/knowm__XChange.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.250.0431—primaryraw/commits_365d/knowm__XChange.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/knowm__XChange.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/knowm__XChange.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/knowm__XChange.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.47.547.5——primaryraw/scorecard/knowm__XChange.json
Substantive Review RateShare of decided pull requests that received a substantive review.4.4%5.46920 April to 17 October 2026primaryraw/pr_window/knowm__XChange.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.7070.030—primaryraw/actions_runs/knowm__XChange.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.20.0%40.015—primaryraw/author_history/knowm__XChange.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/knowm__XChange.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
Balanced2,959 of 3,21935.00DRated
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-assisted3,479 of 3,69634.33DRated

Integrity

Snapshot
2026-10-17
Raw hash
7be67e7de506caecf3952cfe33b342bbecbc0c25669c3bc62bd1e36aef26e55b

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/cf.json, under the key knowm/XChange.

How every number is measured: Porchlamp methodology.

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

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

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