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

quartz-scheduler/quartz

Java

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

Outside pull requests to quartz-scheduler/quartz got a first human reply in a median of 6.6 days (17 pull requests, 19 April to 16 October 2026). The share with no reply within 14 days has too small a sample to measure (8 pull requests counted; 10 needed). It ranks 2,604 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Key facts
Rank2,604 of 3,219
Score41.11
TierC
Median first reply6.6 days (159.4 hours)
14-day no-reply share—
First-timer rankNot enough evidence to show under this lens.
EcosystemJava
Window19 April to 16 October 2026

Composite

Rank
2,604 of 3,219
Score
41.11
Tier
C
Coverage
83% · Ceiling A
Quadrant
Crucible

Coordinates: leverage 54.3 (coverage 100%), friction 71.2 (coverage 67%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness5.440%
Criticality68.0100%
Governance55.8100%
Rigor30.3100%
Accessibility47.185%

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.159.4 hours (6.6 days)6.71719 April to 16 October 2026primaryraw/pr_window/quartz-scheduler__quartz.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.2223.4 hours (92.6 days)1.41619 April to 16 October 2026primaryraw/pr_window/quartz-scheduler__quartz.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.1,82187.4——primaryraw/dependents/quartz-scheduler__quartz.json
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.0.458545.9——primaryraw/github_meta/quartz-scheduler__quartz.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.072—primaryraw/commits_365d/quartz-scheduler__quartz.json
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.Sign-off on commits (DCO)100.0——primaryraw/governance/quartz-scheduler__quartz.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/quartz-scheduler__quartz.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/quartz-scheduler__quartz.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.42.542.5——primaryraw/scorecard/quartz-scheduler__quartz.json
Substantive Review RateShare of decided pull requests that received a substantive review.3.6%4.52819 April to 16 October 2026primaryraw/pr_window/quartz-scheduler__quartz.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.Not shown: Insufficient sample size
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.50.0%100.010—primaryraw/author_history/quartz-scheduler__quartz.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/quartz-scheduler__quartz.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.16.7%33.36—primaryraw/author_history/quartz-scheduler__quartz.json

Persona view

PersonaRankScoreTierStatus
Balanced2,604 of 3,21941.11CRated
First-timerNot enough evidence to show under this lens.
Career capital749 of 79845.69CRated
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted3,226 of 3,69638.36DRated

Integrity

Snapshot
2026-10-17
Raw hash
25b186547901e683c8102737405f97e53c4b9e896d8879d7493a8c88de6eb323

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/ae.json, under the key quartz-scheduler/quartz.

How every number is measured: Porchlamp methodology.

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

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

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