ReactiveX/rxjs
What happens to a stranger's pull request here, in the Porchlamp snapshot of 5 November 2026.
For ReactiveX/rxjs, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 91% of 11 outside pull requests got no reply within 14 days (27 April to 24 October 2026). It ranks 3,697 of 4,044 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 3,697 of 4,044 |
|---|---|
| Score | 40.19 |
| Tier | C |
| Median first reply | — |
| 14-day no-reply share | 91% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | JavaScript |
| Window | 27 April to 24 October 2026 |
Composite
- Rank
- 3,697 of 4,044
- Score
- 40.19
- Tier
- C
- Coverage
- 72% · Ceiling B
- Quadrant
- Crucible
Coordinates: leverage 68.4 (coverage 91%), friction 85.1 (coverage 55%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 0.0 | 15% |
| Criticality | 75.8 | 100% |
| Governance | 41.5 | 100% |
| Rigor | 73.9 | 70% |
| Accessibility | 12.4 | 85% |
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. | 90.9% | 0.0 | 11 | 27 April to 24 October 2026 | primaryraw/pr_window/ReactiveX__rxjs.json |
| 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. | Not shown: Insufficient sample size | ||||
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | Not shown: Insufficient sample size | ||||
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 42,178 | 96.4 | — | — | primaryraw/dependents/ReactiveX__rxjs.json |
| Monthly DownloadsDownloads from the package registry in a month. | 413.5 million downloads a month | 95.2 | — | — | primaryraw/downloads/npm__rxjs.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.3858 | 38.6 | — | — | primaryraw/github_meta/ReactiveX__rxjs.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 | 511 | — | primaryraw/commits_365d/ReactiveX__rxjs.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__rxjs.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | Merged pull requests all came from one organisation | 10.0 | — | — | primaryraw/governance/ReactiveX__rxjs.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__rxjs.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 58 | 58.0 | — | — | primaryraw/scorecard/ReactiveX__rxjs.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | Not shown: Insufficient sample size | ||||
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 6 | — | primaryraw/actions_runs/ReactiveX__rxjs.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 0.0% | 0.0 | 6 | — | primaryraw/author_history/ReactiveX__rxjs.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/ReactiveX__rxjs.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 | 3,697 of 4,044 | 40.19 | C | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| Career capital | 850 of 872 | 42.63 | C | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 3,040 of 4,002 | 48.48 | C | Rated |
Integrity
- Snapshot
- 2026-11-05
- Raw hash
- ef1fafde1ed1250bccf2e768064b7333c2d1c4740186576a181e820f4c2f1fd5
No suspicion flags on this repository.
The full record is in data/2026-11-05/repos/60.json, under the key ReactiveX/rxjs.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). ReactiveX/rxjs. Snapshot 2026-11-05. https://porchlamp.org/projects/reactivex/rxjs/. CC BY 4.0.
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