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 SerenityOS/serenity got a first human reply in a median of 0.5 hours (81 pull requests, 18 April to 15 October 2026); 16% got none within 14 days. It ranks 915 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Key facts
Rank915 of 3,219
Score56.01
TierB
Median first reply0.5 hours
14-day no-reply share16%
First-timer rankNot enough evidence to show under this lens.
EcosystemC and C++
Window18 April to 15 October 2026

Composite

Rank
915 of 3,219
Score
56.01
Tier
B
Coverage
88% · Ceiling A
Quadrant
Nursery

Coordinates: leverage 47.1 (coverage 100%), friction 32.2 (coverage 80%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness88.180%
Criticality46.3100%
Governance59.3100%
Rigor40.5100%
Accessibility30.050%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.96.7%100.03018 April to 17 July 2026primaryraw/pr_window/SerenityOS__serenity.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.15.8%68.411420 April to 17 October 2026primaryraw/pr_window/SerenityOS__serenity.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.Not shown: Collector failure
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.0.5 hours (0 days)100.08118 April to 15 October 2026primaryraw/pr_window/SerenityOS__serenity.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.343.5 hours (14.3 days)51.88918 April to 15 October 2026primaryraw/pr_window/SerenityOS__serenity.json

Criticality

ParameterValueScoreCountWindowSource
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.0.46346.3——proxy:no_dependents_signalraw/github_meta/SerenityOS__serenity.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.250.0928—primaryraw/commits_365d/SerenityOS__serenity.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/SerenityOS__serenity.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/SerenityOS__serenity.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/SerenityOS__serenity.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.42.542.5——primaryraw/scorecard/SerenityOS__serenity.json
Substantive Review RateShare of decided pull requests that received a substantive review.30.7%38.312418 April to 15 October 2026primaryraw/pr_window/SerenityOS__serenity.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.100100.022—primaryraw/actions_runs/SerenityOS__serenity.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.Not shown: Collector failure
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/SerenityOS__serenity.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.Not shown: Collector failure

Persona view

PersonaRankScoreTierStatus
Balanced915 of 3,21956.01BRated
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-assisted1,462 of 3,69652.93CRated

Integrity

Snapshot
2026-10-17
Raw hash
bda65f02cd86108ca6c68e46e4350194622b6c8579d11a8c99dcbdd5e3d2fea1

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/4b.json, under the key SerenityOS/serenity.

How every number is measured: Porchlamp methodology.

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

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

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