emberjs/ember.js
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to emberjs/ember.js got a first human reply in a median of 6.9 hours (231 pull requests, 10 April to 7 October 2026); 41% got none within 14 days. It ranks 485 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 485 of 3,219 |
|---|---|
| Score | 60.20 |
| Tier | B |
| Median first reply | 6.9 hours |
| 14-day no-reply share | 41% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | JavaScript |
| Window | 10 April to 7 October 2026 |
Composite
- Rank
- 485 of 3,219
- Score
- 60.20
- Tier
- B
- Coverage
- 88% · Ceiling A
- Quadrant
- Sweet Spot
Coordinates: leverage 62.1 (coverage 100%), friction 38.5 (coverage 80%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 76.2 | 80% |
| Criticality | 67.2 | 100% |
| Governance | 59.3 | 100% |
| Rigor | 55.4 | 100% |
| Accessibility | 28.0 | 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. | 82.1% | 100.0 | 67 | 10 April to 9 July 2026 | primaryraw/pr_window/emberjs__ember.js.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 41.3% | 17.3 | 208 | 20 April to 17 October 2026 | primaryraw/pr_window/emberjs__ember.js.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | Not shown: Collector failure | ||||
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 6.9 hours (0.3 days) | 100.0 | 231 | 10 April to 7 October 2026 | primaryraw/pr_window/emberjs__ember.js.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 475.7 hours (19.8 days) | 33.4 | 167 | 10 April to 7 October 2026 | primaryraw/pr_window/emberjs__ember.js.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 3,968 | 85.4 | — | — | primaryraw/dependents/emberjs__ember.js.json |
| Monthly DownloadsDownloads from the package registry in a month. | 1.4 million downloads a month | 52.0 | — | — | primaryraw/downloads/npm__ember.js.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.5715 | 57.1 | — | — | primaryraw/github_meta/emberjs__ember.js.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 2 | 50.0 | 938 | — | primaryraw/commits_365d/emberjs__ember.js.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/emberjs__ember.js.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/emberjs__ember.js.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | No written AI policy | 40.0 | — | — | primaryraw/governance/emberjs__ember.js.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 87.5 | 87.5 | — | — | primaryraw/scorecard/emberjs__ember.js.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 22.5% | 28.1 | 280 | 10 April to 7 October 2026 | primaryraw/pr_window/emberjs__ember.js.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 24 | — | primaryraw/actions_runs/emberjs__ember.js.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | Not shown: Collector failure | ||||
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 1 | 10.0 | — | — | primaryraw/gfi/emberjs__ember.js.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Collector failure | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 485 of 3,219 | 60.20 | B | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| Career capital | 382 of 798 | 58.77 | B | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 648 of 3,696 | 59.75 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 57c13293998dfc3709964de64231b039f2c7a70c6d19ffab137da135881e69be
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/a3.json, under the key emberjs/ember.js.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). emberjs/ember.js. Snapshot 2026-10-17. https://porchlamp.org/projects/emberjs/ember.js/. CC BY 4.0.
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