hzeller/rpi-rgb-led-matrix

What happens to a stranger's pull request here, in the Porchlamp snapshot of 14 October 2026.

Outside pull requests to rpi-rgb-led-matrix got a first human reply in a median of 22.2 hours (10 pull requests, 11 April to 8 October 2026); 0% got none within 14 days. It ranks 497 of 3,833 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Rating

Score: 62.81
Coverage: 89% · Ceiling A
Tier: B
Quadrant: Sweet Spot
Ecosystem: systems (C, C++ and Zig)

Five pillars

Score out of 100, and how much of the pillar was measured
Pillar	Score	Coverage
Responsiveness	81.9	55%
Criticality	49.9	100%
Governance	59.3	100%
Rigor	59.6	100%
Accessibility	60.5	100%

Rank in each lens

Lens	Standing
Balanced	Rank 497 of 3,833
First-timer	Not ranked: Not enough evidence to show under this lens.
Career capital	Not ranked: This repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systems	Not ranked: Fewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted	Rank 529 of 3,929

The measured parameters

Parameter	Value	Count	Window	What it measures
Time to First Response	22.1526	10	11 April to 8 October 2026	Median hours from an outside pull request opening to its first substantive human reply.
Decision Rate (90d)	Not shown: Insufficient sample size	—	—	Share of outside pull requests that were merged or closed within 90 days.
First-timer Merge Rate	Not shown: Insufficient sample size	—	—	Share of first-time outside authors' decided pull requests that were merged.
PR Ghost Rate (14d)	0	11	16 April to 13 October 2026	Share of outside pull requests with no maintainer response, merge or close within 14 days.
Time to Merge (p90)	186.2803	11	11 April to 8 October 2026	Hours within which 90% of merged outside pull requests were merged.
Dependents	Not shown: Not applicable	—	—	Packages in the registry that depend on this project, counted once each.
OpenSSF Criticality	0.4986	—	—	OpenSSF criticality score from 0 to 1, computed from the project's public activity signals.
Monthly Downloads	Not shown: Not applicable	—	—	Downloads from the package registry in a month.
Legal IP Regime	NONE	—	—	The contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.
Elephant Factor	2	210	—	The fewest organisations that account for half of the last year's commits.
Promotion Ladder	AD_HOC	—	—	How openly a contributor can become a maintainer, from closed to verified.
Pipeline Defenses	70	—	—	How well the project's build and review pipeline defends against bad changes, 0 to 100.
AI Policy Posture	REGULATED	—	—	Whether the project has a written policy on AI-assisted contributions.
Substantive Review Rate	0.0833	12	11 April to 8 October 2026	Share of decided pull requests that received a substantive review.
Newcomer Issue Supply	0	—	—	Open, unassigned, up-to-date issues marked for newcomers.
Newcomer Conversion	0.6	10	—	Share of first-time authors whose first pull request merged within 180 days.
Newcomer Return Rate	0.5	6	—	Share of those merged first-time authors who sent a second pull request within 90 days.
Developer Experience	70	30	—	Developer experience, 0 to 100: half CI run time, half setup signals.

Similar projects

The ranked projects nearest this one in the same ecosystem.

ArduPilot/ardupilot (rank 491)
hluk/CopyQ (rank 494)
pbek/QOwnNotes (rank 499)
lemonade-sdk/lemonade (rank 504)
FEX-Emu/FEX (rank 505)

Evidence

Snapshot 2026-10-14, data as of 13 October 2026.
Record hash: 4bb81023baf3b340c27396ceaaf9abb548dd64277c62736248dcc5d67638257c
The full record is in data/2026-10-14/repos/e1.json, under the key hzeller/rpi-rgb-led-matrix.
How every number is measured: Porchlamp methodology.

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