PorchlampFind the projects that leave the light on.2026-10-17

home-assistant/operating-system

Python

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What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

Outside pull requests to home-assistant/operating-system got a first human reply in a median of 1.6 hours (75 pull requests, 19 April to 16 October 2026); 0% got none within 14 days. It ranks 876 of 3,219 overall. For first-time contributors it ranks 664 of 1,525 (the top 44%).

Key facts
Rank876 of 3,219
Score56.32
TierB (capped)
Median first reply1.6 hours
14-day no-reply share0%
First-timer rank664 of 1,525
EcosystemPython
Window19 April to 16 October 2026

Composite

Rank
876 of 3,219
Score
56.32
Tier
B (capped)
Coverage
78% · Ceiling B
Quadrant
Sweet Spot

Coordinates: leverage 52.2 (coverage 68%), friction 40.6 (coverage 88%)

Capped: this tier can go no higher until more of the project's inputs are measured. It reflects how much data there is, not how good the score is.

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness85.375%
Criticality54.635%
Governance29.5100%
Rigor63.2100%
Accessibility39.7100%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.Not shown: Insufficient sample size
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.0.0%100.01920 April to 17 October 2026primaryraw/pr_window/home-assistant__operating-system.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.41.7%52.112—primaryraw/author_history/home-assistant__operating-system.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.1.6 hours (0.1 days)100.07519 April to 16 October 2026primaryraw/pr_window/home-assistant__operating-system.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.64.7 hours (2.7 days)85.66919 April to 16 October 2026primaryraw/pr_window/home-assistant__operating-system.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.Not shown: Third-party data unavailable
Monthly DownloadsDownloads from the package registry in a month.Not shown: Third-party data unavailable
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.546154.6——proxy:no_dependents_signalraw/github_meta/home-assistant__operating-system.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.0287—primaryraw/commits_365d/home-assistant__operating-system.json
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.Company CLA25.0——primaryraw/governance/home-assistant__operating-system.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/home-assistant__operating-system.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.Written AI policy95.0——primaryraw/governance/home-assistant__operating-system.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.7070.0——primaryraw/scorecard/home-assistant__operating-system.json
Substantive Review RateShare of decided pull requests that received a substantive review.18.0%22.47819 April to 16 October 2026primaryraw/pr_window/home-assistant__operating-system.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.7070.030—primaryraw/actions_runs/home-assistant__operating-system.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.41.7%83.312—primaryraw/author_history/home-assistant__operating-system.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/home-assistant__operating-system.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.0.0%0.05—primaryraw/author_history/home-assistant__operating-system.json

Persona view

PersonaRankScoreTierStatus
Balanced876 of 3,21956.32B (capped)Rated
First-timer664 of 1,52557.97BRated
Career capitalThis repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted761 of 3,69658.51BRated

Integrity

Snapshot
2026-10-17
Raw hash
d19019d4bd28839ed4ade8fe496c5b0ab42add27b7007700da08b91db66152ce

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/2f.json, under the key home-assistant/operating-system.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). home-assistant/operating-system. Snapshot 2026-10-17. https://porchlamp.org/projects/home-assistant/operating-system/. CC BY 4.0.

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