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.

Outside pull requests to gpbl/react-day-picker got a first human reply in a median of 2.7 days (12 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 971 of 3,219 overall. For first-time contributors it ranks 798 of 1,525 (the bottom 48%).

Key facts
Rank971 of 3,219
Score55.60
TierB
Median first reply2.7 days (63.9 hours)
14-day no-reply share—
First-timer rank798 of 1,525
EcosystemJavaScript
Window19 April to 16 October 2026

Composite

Rank
971 of 3,219
Score
55.60
Tier
B
Coverage
88% · Ceiling A
Quadrant
Sweet Spot

Coordinates: leverage 52.7 (coverage 100%), friction 41.8 (coverage 77%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness64.760%
Criticality67.6100%
Governance50.5100%
Rigor29.3100%
Accessibility53.585%

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.100.0%100.05—primaryraw/author_history/gpbl__react-day-picker.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.63.9 hours (2.7 days)39.71219 April to 16 October 2026primaryraw/pr_window/gpbl__react-day-picker.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.150.9 hours (6.3 days)69.21319 April to 16 October 2026primaryraw/pr_window/gpbl__react-day-picker.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.87972.4——primaryraw/dependents/gpbl__react-day-picker.json
Monthly DownloadsDownloads from the package registry in a month.189.5 million downloads a month92.0——primaryraw/downloads/npm__react-day-picker.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.446244.6——primaryraw/github_meta/gpbl__react-day-picker.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.0155—primaryraw/commits_365d/gpbl__react-day-picker.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/gpbl__react-day-picker.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/gpbl__react-day-picker.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/gpbl__react-day-picker.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.37.537.5——primaryraw/scorecard/gpbl__react-day-picker.json
Substantive Review RateShare of decided pull requests that received a substantive review.6.3%7.81619 April to 16 October 2026primaryraw/pr_window/gpbl__react-day-picker.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.7070.030—primaryraw/actions_runs/gpbl__react-day-picker.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.80.0%100.05—primaryraw/author_history/gpbl__react-day-picker.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/gpbl__react-day-picker.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
Balanced971 of 3,21955.60BRated
First-timer798 of 1,52555.98BRated
Career capital420 of 79857.81BRated
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted1,909 of 3,69649.65CRated

Integrity

Snapshot
2026-10-17
Raw hash
1a4b226563184b2e39cbfe20e98183e995d149c3e6a3ab9456b2f62cfcab4950

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/cb.json, under the key gpbl/react-day-picker.

How every number is measured: Porchlamp methodology.

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

Porchlamp (2026). gpbl/react-day-picker. Snapshot 2026-10-17. https://porchlamp.org/projects/gpbl/react-day-picker/. CC BY 4.0.

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