C001 — H4:

Contents

• Supporting Evidence Would Show
• Eliminating Evidence Would Show

Statement: The 40% figure is approximately correct but becoming rapidly outdated due to GitHub Actions making CI configuration dramatically easier, plus Dependabot and other automated tooling creating CI configurations by default.

Supporting Evidence Would Show

• Trend data showing rapid year-over-year growth in GitHub Actions adoption since 2020
• Evidence that GitHub's default repository templates and Dependabot automatically create workflow files
• Longitudinal studies showing CI adoption accelerating in recent years

Eliminating Evidence Would Show

• Recent studies (2025-2026) still finding CI adoption around 40%
• Evidence that GitHub Actions growth is primarily from projects that already had CI, not new adopters
• Data showing CI adoption growth has plateaued despite GitHub Actions availability

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