element-hq/synapse
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to element-hq/synapse got a first human reply in a median of 41.6 hours (240 pull requests, 19 April to 16 October 2026); 18% got none within 14 days. It ranks 1,152 of 3,219 overall. For first-time contributors it ranks 665 of 1,525 (the top 44%).
| Rank | 1,152 of 3,219 |
|---|---|
| Score | 54.01 |
| Tier | C |
| Median first reply | 41.6 hours |
| 14-day no-reply share | 18% |
| First-timer rank | 665 of 1,525 |
| Ecosystem | Python |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 1,152 of 3,219
- Score
- 54.01
- Tier
- C
- Coverage
- 88% · Ceiling A
- Quadrant
- Nursery
Coordinates: leverage 49.0 (coverage 100%), friction 43.2 (coverage 80%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 66.4 | 80% |
| Criticality | 44.2 | 100% |
| Governance | 38.3 | 100% |
| Rigor | 64.3 | 100% |
| Accessibility | 60.4 | 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. | 84.1% | 100.0 | 69 | 19 April to 18 July 2026 | primaryraw/pr_window/element-hq__synapse.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 17.5% | 64.9 | 171 | 20 April to 17 October 2026 | primaryraw/pr_window/element-hq__synapse.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. | 41.6 hours (1.7 days) | 55.2 | 240 | 19 April to 16 October 2026 | primaryraw/pr_window/element-hq__synapse.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 818.1 hours (34.1 days) | 18.4 | 208 | 19 April to 16 October 2026 | primaryraw/pr_window/element-hq__synapse.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 6 | 46.9 | — | — | primaryraw/dependents/element-hq__synapse.json |
| Monthly DownloadsDownloads from the package registry in a month. | 32,097 downloads a month | 35.4 | — | — | primaryraw/downloads/pypi__synapse.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4734 | 47.3 | — | — | primaryraw/github_meta/element-hq__synapse.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 | 735 | — | primaryraw/commits_365d/element-hq__synapse.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Company CLA | 25.0 | — | — | primaryraw/governance/element-hq__synapse.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/element-hq__synapse.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/element-hq__synapse.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 89.2867 | 89.3 | 343 | — | proxy:review_ciraw/pr_window/element-hq__synapse.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 44.3% | 55.3 | 244 | 19 April to 16 October 2026 | primaryraw/pr_window/element-hq__synapse.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 38.0417 | 38.0 | 30 | — | primaryraw/actions_runs/element-hq__synapse.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. | 7 | 70.0 | — | — | primaryraw/gfi/element-hq__synapse.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 | 1,152 of 3,219 | 54.01 | C | Rated |
| First-timer | 665 of 1,525 | 57.96 | B (capped) | Rated |
| 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 | 1,006 of 3,696 | 56.41 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 107d884448cc00d45f68424fac8b55c7515c0e9913e2ba0badd4349b6958d734
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/ef.json, under the key element-hq/synapse.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). element-hq/synapse. Snapshot 2026-10-17. https://porchlamp.org/projects/element-hq/synapse/. CC BY 4.0.
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