LegacyFixer
Guides
Practical guidance for Python dependency security, dependency update workflows, and reducing pull request noise.
Technical guides
This section collects practical articles about maintaining Python dependencies safely and with less repository noise.
Python Environment Markers Can Hide Dependencies from Security Scans
A 2026 Dependabot case showing how marker parsing can drop valid dependencies before security analysis, plus a controlled LegacyFixer test of the same marker structure.