python-trio/trio
What happens to a stranger's pull request here, in the Porchlamp snapshot of 14 October 2026.
Outside pull requests to trio got a first human reply in a median of 3.2 hours (65 pull requests, 10 April to 7 October 2026); 15% got none within 14 days. It ranks 794 of 3,833 overall. It is not ranked for first-time contributors: this repository does not show a low enough barrier for a first-time contributor.
Rating
- Score: 60.20
- Coverage: 98% · Full
- Tier: B
- Quadrant: Sweet Spot
- Ecosystem: PyPI
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 74.6 | 100% |
| Criticality | 71.7 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 52.6 | 100% |
| Accessibility | 37.6 | 85% |
Rank in each lens
| Lens | Standing |
|---|---|
| Balanced | Rank 794 of 3,833 |
| First-timer | Not ranked: This repository does not show a low enough barrier for a first-time contributor. |
| Career capital | Rank 361 of 823 |
| Senior systems | Not ranked: Fewer than 3 organizations account for most commits (not multi-vendor). |
| AI-assisted | Rank 906 of 3,929 |
The measured parameters
| Parameter | Value | Count | Window | What it measures |
|---|---|---|---|---|
| Time to First Response | 3.1753 | 65 | 10 April to 7 October 2026 | Median hours from an outside pull request opening to its first substantive human reply. |
| Decision Rate (90d) | 0.9167 | 12 | 10 April to 9 July 2026 | Share of outside pull requests that were merged or closed within 90 days. |
| First-timer Merge Rate | 0.1765 | 17 | — | Share of first-time outside authors' decided pull requests that were merged. |
| PR Ghost Rate (14d) | 0.1509 | 53 | 16 April to 13 October 2026 | Share of outside pull requests with no maintainer response, merge or close within 14 days. |
| Time to Merge (p90) | 289.5767 | 45 | 10 April to 7 October 2026 | Hours within which 90% of merged outside pull requests were merged. |
| Dependents | 229 | — | — | Packages in the registry that depend on this project, counted once each. |
| OpenSSF Criticality | 0.4734 | — | — | OpenSSF criticality score from 0 to 1, computed from the project's public activity signals. |
| Monthly Downloads | 35411715 | — | — | Downloads from the package registry in a month. |
| Legal IP Regime | NONE | — | — | The contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. |
| Elephant Factor | 1 | 88 | — | The fewest organisations that account for half of the last year's commits. |
| Promotion Ladder | AD_HOC | — | — | How openly a contributor can become a maintainer, from closed to verified. |
| Pipeline Defenses | 80 | — | — | How well the project's build and review pipeline defends against bad changes, 0 to 100. |
| AI Policy Posture | AD_HOC | — | — | Whether the project has a written policy on AI-assisted contributions. |
| Substantive Review Rate | 0.2289 | 83 | 10 April to 7 October 2026 | Share of decided pull requests that received a substantive review. |
| Newcomer Issue Supply | 2 | — | — | Open, unassigned, up-to-date issues marked for newcomers. |
| Newcomer Conversion | 0.25 | 8 | — | Share of first-time authors whose first pull request merged within 180 days. |
| Newcomer Return Rate | Not shown: Insufficient sample size | — | — | Share of those merged first-time authors who sent a second pull request within 90 days. |
| Developer Experience | 50 | 30 | — | Developer experience, 0 to 100: half CI run time, half setup signals. |
Similar projects
The ranked projects nearest this one in the same ecosystem.
- OthmanAdi/planning-with-files (rank 783)
- mitmproxy/mitmproxy (rank 784)
- Ultimaker/Cura (rank 788)
- comet-ml/opik (rank 802)
- amoffat/sh (rank 805)
Evidence
- Snapshot 2026-10-14, data as of 13 October 2026.
- Record hash:
7bd0956adb8a3eef31db8e62150c9c7db2383dac49cee5096524b3cbbe8eac5d - The full record is in data/2026-10-14/repos/34.json, under the key
python-trio/trio. - How every number is measured: Porchlamp methodology.
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