ReactiveX/RxPY
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to ReactiveX/RxPY got a first human reply in a median of 4.3 hours (31 pull requests, 19 April to 16 October 2026). The share with no reply within 14 days has too small a sample to measure (1 pull request counted; 10 needed). It ranks 1,037 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 1,037 of 3,219 |
|---|---|
| Score | 55.05 |
| Tier | B (capped) |
| Median first reply | 4.3 hours |
| 14-day no-reply share | — |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | Python |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 1,037 of 3,219
- Score
- 55.05
- Tier
- B (capped)
- Coverage
- 78% · Ceiling B
- Quadrant
- Sweet Spot
Coordinates: leverage 53.6 (coverage 100%), friction 39.9 (coverage 60%)
Capped: this tier can go no higher until more of the project's inputs are measured. It reflects how much data there is, not how good the score is.
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 83.8 | 40% |
| Criticality | 57.3 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 49.5 | 100% |
| Accessibility | 15.0 | 50% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| 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. | Not shown: Insufficient sample size | ||||
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 4.3 hours (0.2 days) | 100.0 | 31 | 19 April to 16 October 2026 | primaryraw/pr_window/ReactiveX__RxPY.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 485.4 hours (20.2 days) | 35.4 | 36 | 19 April to 16 October 2026 | primaryraw/pr_window/ReactiveX__RxPY.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 46 | 65.6 | — | — | primaryraw/dependents/ReactiveX__RxPY.json |
| Monthly DownloadsDownloads from the package registry in a month. | 4.1 million downloads a month | 73.0 | — | — | primaryraw/downloads/pypi__RxPY.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.365 | 36.5 | — | — | primaryraw/github_meta/ReactiveX__RxPY.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 1 | 25.0 | 42 | — | primaryraw/commits_365d/ReactiveX__RxPY.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | No CLA or sign-off found | 85.0 | — | — | primaryraw/governance/ReactiveX__RxPY.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/ReactiveX__RxPY.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | Written AI policy | 95.0 | — | — | primaryraw/governance/ReactiveX__RxPY.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 52.5 | 52.5 | — | — | primaryraw/scorecard/ReactiveX__RxPY.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 0.0% | 0.0 | 42 | 19 April to 16 October 2026 | primaryraw/pr_window/ReactiveX__RxPY.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 50 | 50.0 | 13 | — | primaryraw/actions_runs/ReactiveX__RxPY.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. | 0 | 0.0 | — | — | primaryraw/gfi/ReactiveX__RxPY.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
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,037 of 3,219 | 55.05 | B (capped) | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 1,230 of 3,696 | 54.62 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- ab882a1e2bfe41c900c0989ec5742e585d90c685c783a49c5aa3889c164cd3be
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/00.json, under the key ReactiveX/RxPY.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). ReactiveX/RxPY. Snapshot 2026-10-17. https://porchlamp.org/projects/reactivex/rxpy/. CC BY 4.0.
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