# System76 blocks LLM-generated code in cosmic project pull requests

Digest AI · Society & Work · published 2026-10-05T07:56:25Z

Canonical: https://digestai.news/story/system76-blocks-llm-generated-code-in-cosmic-project-pull-requests

## Summary

System76 announced it will no longer accept code submissions generated by large language models in its COSMIC project pull requests. The move follows a surge in unplanned contributions from first-time users, many of which had low acceptance rates due to review workload. Principal Engineer Jeremy Soller cited prioritizing contributions from core developers and regular contributors as the primary reason, though the policy excludes `cosmic-flatpak` manifests, which are reviewed separately for sandboxing compliance.

The change aligns with broader trends in open-source communities, where projects like Godot Engine and KDE have also faced challenges from AI-generated submissions. System76 updated its contributing guidelines to explicitly prohibit LLM-generated content in issues, pull requests, and documentation for Pop!OS projects. The policy reflects growing concerns about maintaining code quality and review efficiency amid widespread LLM adoption.

## Key points

- System76 bans LLM-generated code in COSMIC project pull requests, excluding `cosmic-flatpak` manifests
- Low acceptance rate and review workload cited as reasons for the policy change
- Updated guidelines prohibit LLM-generated content in issues, PRs, and documentation for Pop!OS projects

## Why it matters

The policy signals a shift in open-source governance as projects grapple with AI-generated contributions, impacting code quality and maintainability. Smaller teams may struggle to adapt, while stricter guidelines could set precedents for other projects.

## Sources

1. [System76 COSMIC projects will no longer accept LLM-generated content in code submissions](https://gamingonlinux.com/2026/10/system76-cosmic-projects-will-no-longer-accept-llm-generated-content-in-code-submissions) (gamingonlinux.com, 2026-10-05)

## Cite

Digest AI, "System76 blocks LLM-generated code in cosmic project pull requests", 5 October 2026, https://digestai.news/story/system76-blocks-llm-generated-code-in-cosmic-project-pull-requests

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