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 AFLplusplus/LibAFL got a first human reply in a median of 26 hours (20 pull requests, 11 April to 8 October 2026); 34% got none within 14 days. It ranks 1,536 of 3,219 overall. For first-time contributors it ranks 1,052 of 1,525 (the bottom 32%).

Key facts
Rank1,536 of 3,219
Score51.06
TierC
Median first reply26 hours
14-day no-reply share34%
First-timer rank1,052 of 1,525
EcosystemRust
Window11 April to 8 October 2026

Composite

Rank
1,536 of 3,219
Score
51.06
Tier
C
Coverage
98% · Full
Quadrant
Nursery

Coordinates: leverage 46.0 (coverage 100%), friction 41.2 (coverage 97%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness60.6100%
Criticality47.9100%
Governance68.0100%
Rigor28.2100%
Accessibility40.685%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.70.4%88.02711 April to 10 July 2026primaryraw/pr_window/AFLplusplus__LibAFL.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.34.3%31.43520 April to 17 October 2026primaryraw/pr_window/AFLplusplus__LibAFL.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.45.7%57.146—primaryraw/author_history/AFLplusplus__LibAFL.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.26.0 hours (1.1 days)72.22011 April to 8 October 2026primaryraw/pr_window/AFLplusplus__LibAFL.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.1286.2 hours (53.6 days)8.55411 April to 8 October 2026primaryraw/pr_window/AFLplusplus__LibAFL.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.852.8——primaryraw/dependents/AFLplusplus__LibAFL.json
Monthly DownloadsDownloads from the package registry in a month.31,272 downloads a month49.0——primaryraw/downloads/crates__LibAFL.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.416441.6——primaryraw/github_meta/AFLplusplus__LibAFL.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.375.0193—primaryraw/commits_365d/AFLplusplus__LibAFL.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/AFLplusplus__LibAFL.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/AFLplusplus__LibAFL.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/AFLplusplus__LibAFL.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.32.809532.884—proxy:review_ciraw/pr_window/AFLplusplus__LibAFL.json
Substantive Review RateShare of decided pull requests that received a substantive review.8.3%10.47211 April to 8 October 2026primaryraw/pr_window/AFLplusplus__LibAFL.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.5050.013—primaryraw/actions_runs/AFLplusplus__LibAFL.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.28.6%57.114—primaryraw/author_history/AFLplusplus__LibAFL.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.220.0——primaryraw/gfi/AFLplusplus__LibAFL.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
Balanced1,536 of 3,21951.06CRated
First-timer1,052 of 1,52551.21CRated
Career capitalThis repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systems794 of 1,27650.55CRated
AI-assisted2,454 of 3,69645.85CRated

Integrity

Snapshot
2026-10-17
Raw hash
ab1e5d7df8e11a62a58b41c6f912af879e63b89cbdf687917053e3e41e817478

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/0b.json, under the key AFLplusplus/LibAFL.

How every number is measured: Porchlamp methodology.

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

Porchlamp (2026). AFLplusplus/LibAFL. Snapshot 2026-10-17. https://porchlamp.org/projects/aflplusplus/libafl/. CC BY 4.0.

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