June 2026 monthly summary for snakemake/snakemake highlights a focused effort on reliability and correctness in filesystem-based workflows. Key deliverable: fix for reruns when input files reside in symlinked directories, ensuring workflows re-evaluate as inputs change. This was accompanied by an integration test to prevent regressions and to validate behavior across typical symlink scenarios. Improved error messaging around directory vs. symlink handling and timestamp/touch mechanics reduce silent failures and debugging time. Collectively, these changes increase reproducibility, robustness, and user confidence in large-scale workflows that rely on symlinked data. The work demonstrates strong test-driven development, practical handling of filesystem semantics, and cross-platform considerations (Windows behavior noted in tests).