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

tealdeer-rs/tealdeer

Rust

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

Outside pull requests to tealdeer-rs/tealdeer got a first human reply in a median of 13.9 hours (20 pull requests, 19 April to 16 October 2026); 9% got none within 14 days. It ranks 1,717 of 3,219 overall. For first-time contributors it ranks 866 of 1,525 (the bottom 44%).

Key facts
Rank1,717 of 3,219
Score49.60
TierC
Median first reply13.9 hours
14-day no-reply share9%
First-timer rank866 of 1,525
EcosystemRust
Window19 April to 16 October 2026

Composite

Rank
1,717 of 3,219
Score
49.60
Tier
C
Coverage
93% · Ceiling A
Quadrant
Nursery

Coordinates: leverage 36.3 (coverage 100%), friction 35.5 (coverage 90%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness84.6100%
Criticality26.5100%
Governance50.5100%
Rigor43.2100%
Accessibility35.050%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.100.0%100.01219 April to 18 July 2026primaryraw/pr_window/tealdeer-rs__tealdeer.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.8.7%82.62320 April to 17 October 2026primaryraw/pr_window/tealdeer-rs__tealdeer.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.58.3%72.912—primaryraw/author_history/tealdeer-rs__tealdeer.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.13.9 hours (0.6 days)94.82019 April to 16 October 2026primaryraw/pr_window/tealdeer-rs__tealdeer.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.351.7 hours (14.7 days)42.01219 April to 16 October 2026primaryraw/pr_window/tealdeer-rs__tealdeer.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.016.5——primaryraw/dependents/tealdeer-rs__tealdeer.json
Monthly DownloadsDownloads from the package registry in a month.1,946 downloads a month31.3——primaryraw/downloads/crates__tealdeer.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.343834.4——primaryraw/github_meta/tealdeer-rs__tealdeer.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.041—primaryraw/commits_365d/tealdeer-rs__tealdeer.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/tealdeer-rs__tealdeer.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/tealdeer-rs__tealdeer.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/tealdeer-rs__tealdeer.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.65.09865.117—proxy:review_ciraw/pr_window/tealdeer-rs__tealdeer.json
Substantive Review RateShare of decided pull requests that received a substantive review.13.8%17.22919 April to 16 October 2026primaryraw/pr_window/tealdeer-rs__tealdeer.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.7070.030—primaryraw/actions_runs/tealdeer-rs__tealdeer.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.Not shown: Insufficient sample size
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.220.0——primaryraw/gfi/tealdeer-rs__tealdeer.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
Balanced1,717 of 3,21949.60CRated
First-timer866 of 1,52554.66CRated
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-assisted2,099 of 3,69648.41CRated

Integrity

Snapshot
2026-10-17
Raw hash
8bdbdd96f3ff17e053123b9134dfd6c48c2421b1c15e4ce836cb79d66dcf47ef

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/be.json, under the key tealdeer-rs/tealdeer.

How every number is measured: Porchlamp methodology.

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

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

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