bambulab/BambuStudio
First human reply
5.4 days
typical wait for an outside pull request, from 155 measured.
What happens to a stranger's pull request here, in the Porchlamp snapshot of 5 November 2026.
Outside pull requests to bambulab/BambuStudio got a first human reply in a median of 5.4 days (155 pull requests, 26 April to 23 October 2026); 61% got none within 14 days. It ranks 3,554 of 4,044 overall. For first-time contributors it ranks 1,887 of 1,904 (the bottom 1%).
| Rank | 3,554 of 4,044 |
|---|---|
| Score | 42.12 |
| Tier | C |
| Median first reply | 5.4 days (130.0 hours) |
| 14-day no-reply share | 61% |
| First-timer rank | 1,887 of 1,904 |
| Ecosystem | C and C++ |
| Window | 26 April to 23 October 2026 |
Composite
- Rank
- 3,554 of 4,044
- Score
- 42.12
- Tier
- C
- Coverage
- 93% · Full
- Quadrant
- Crucible
Coordinates: leverage 53.1 (coverage 100%), friction 64.4 (coverage 90%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 38.4 | 100% |
| Criticality | 60.6 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 42.4 | 100% |
| Accessibility | 6.0 | 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. | 63.7% | 79.7 | 113 | 26 April to 25 July 2026 | primaryraw/pr_window/bambulab__BambuStudio.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 61.3% | 0.0 | 297 | 27 April to 24 October 2026 | primaryraw/pr_window/bambulab__BambuStudio.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 54.3% | 67.9 | 35 | — | primaryraw/author_history/bambulab__BambuStudio.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 130.0 hours (5.4 days) | 14.1 | 155 | 26 April to 23 October 2026 | primaryraw/pr_window/bambulab__BambuStudio.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 1478.3 hours (61.6 days) | 7.4 | 73 | 26 April to 23 October 2026 | primaryraw/pr_window/bambulab__BambuStudio.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Not applicable | ||||
| 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. | 0.6058 | 60.6 | — | — | proxy:no_dependents_signalraw/github_meta/bambulab__BambuStudio.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 | 2,752 | — | primaryraw/commits_365d/bambulab__BambuStudio.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/bambulab__BambuStudio.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/bambulab__BambuStudio.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/bambulab__BambuStudio.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 32.1648 | 32.2 | 89 | — | proxy:review_ciraw/pr_window/bambulab__BambuStudio.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 46.8% | 58.5 | 124 | 26 April to 23 October 2026 | primaryraw/pr_window/bambulab__BambuStudio.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 20 | 20.0 | 15 | — | primaryraw/actions_runs/bambulab__BambuStudio.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/bambulab__BambuStudio.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 | 3,554 of 4,044 | 42.12 | C | Rated |
| First-timer | 1,887 of 1,904 | 33.13 | D | Rated |
| Career capital | 856 of 872 | 41.91 | C | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 3,566 of 4,002 | 42.82 | C | Rated |
Integrity
- Snapshot
- 2026-11-05
- Raw hash
- 5ac883fc388be04cb8f0838785d49a9ca6a5183dbf3dec490fe2bfa245f7cbea
No suspicion flags on this repository.
The full record is in data/2026-11-05/repos/ab.json, under the key bambulab/BambuStudio.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). bambulab/BambuStudio. Snapshot 2026-11-05. https://porchlamp.org/projects/bambulab/bambustudio/. CC BY 4.0.
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