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In preparation for onboarding new core lighting developers are preparing a series of videos. So I've been asking ChatGPT about CLN developer features, particularly with comparison with other projects people might be familiar with. Of course, I compare myself with Linux, but it's interesting to see comparisons against other projects: **Type-safety**: OpenBSD High Bitcoin Core High Core Lightning Very high for C Nginx Low curl Moderate MySQL Moderate SQLite Moderate CLN sits near the top among major C codebases for safety discipline. **PR Submission** Core Lightning’s PR flow is unusually strict, slow-moving, and review-heavy compared to most open-source C projects — closer to Bitcoin Core or OpenBSD than to typical GitHub projects. --- Compared to “average OSS” Most projects: Feature-oriented PRs Informal review Few required reviewers Patch squashing common Tests sometimes optional Architectural discussion often post-merge CLN: Patch-first culture Pre-merge architectural scrutiny Extremely high reviewer expectations Tests are mandatory Clean, narrative commit history matters