openjdk/jdk
First human reply
19.3 hours
typical wait for an outside pull request, from 405 measured.
What happens to a stranger's pull request here, in the Porchlamp snapshot of 5 November 2026.
Outside pull requests to openjdk/jdk got a first human reply in a median of 19.3 hours (405 pull requests, 23 April to 20 October 2026); 24% got none within 14 days. It ranks 3,695 of 4,044 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 3,695 of 4,044 |
|---|---|
| Score | 40.21 |
| Tier | C |
| Median first reply | 19.3 hours |
| 14-day no-reply share | 24% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | Java |
| Window | 23 April to 20 October 2026 |
Composite
- Rank
- 3,695 of 4,044
- Score
- 40.21
- Tier
- C
- Coverage
- 81% · Ceiling A
- Quadrant
- Graveyard
Coordinates: leverage 38.5 (coverage 100%), friction 53.0 (coverage 68%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 63.7 | 55% |
| Criticality | 22.6 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 57.0 | 100% |
| Accessibility | 0.0 | 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: Collector failure | ||||
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 24.3% | 51.5 | 445 | 27 April to 24 October 2026 | primaryraw/pr_window/openjdk__jdk.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. | 19.3 hours (0.8 days) | 82.8 | 405 | 23 April to 20 October 2026 | primaryraw/pr_window/openjdk__jdk.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 692.6 hours (28.9 days) | 24.7 | 1,006 | 23 April to 20 October 2026 | primaryraw/pr_window/openjdk__jdk.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 0 | 4.9 | — | — | primaryraw/dependents/openjdk__jdk.json |
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4278 | 42.8 | — | — | primaryraw/github_meta/openjdk__jdk.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 | 4,716 | — | primaryraw/commits_365d/openjdk__jdk.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/openjdk__jdk.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/openjdk__jdk.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/openjdk__jdk.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 47.5 | 47.5 | — | — | primaryraw/scorecard/openjdk__jdk.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 69.2% | 86.5 | 429 | 23 April to 20 October 2026 | primaryraw/pr_window/openjdk__jdk.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 0 | 0.0 | — | — | proxy:setup_signals_onlyraw/actions_runs/openjdk__jdk.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. | 0 | 0.0 | — | — | primaryraw/gfi/openjdk__jdk.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 | 3,695 of 4,044 | 40.21 | C | 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 | 3,416 of 4,002 | 44.76 | C | Rated |
Integrity
- Snapshot
- 2026-11-05
- Raw hash
- d3491f39149bd6d74bd907dbcc632f4a921d4bd06fc0d596373f13019c0b006d
No suspicion flags on this repository.
The full record is in data/2026-11-05/repos/c6.json, under the key openjdk/jdk.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). openjdk/jdk. Snapshot 2026-11-05. https://porchlamp.org/projects/openjdk/jdk/. CC BY 4.0.
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