Month: 2025-10 — Docker Usage Documentation Enhancements for ie3-institute/simona. Delivered clearer Docker setup and usage guidance, refined build/run steps, and OS-specific instructions to improve onboarding and reproducibility. This work supports faster contributor onboarding and smoother local/development workflows when running SIMONA with Docker. Commits linked to the change: dd758520ff64de2d6227d0b6735a64f70e8bcbeb (docker docs updated with corrections #488).

September 2025 monthly summary: Delivered targeted improvements across ie3-institute/PowerSystemDataModel and ie3-institute/simona to enhance maintainability, testability, and onboarding. Key improvements include codebase import cleanup to standardize imports for ComparableQuantity and Power; a Testing Utility API enhancement adding getsRated to InvalidSystemParticipantInput for extensible rating logic in tests; documentation clarifications addressing ControllingEm field behavior to remove ambiguity; and a Docker usage documentation update in SIMONA to streamline setup and environment management. While no major user-facing bugs were reported, the changes reduce defect surface, improve consistency, and accelerate safe refactoring and deployment readiness. Technologies demonstrated include Groovy-based test utility APIs, import normalization practices, and Docker-driven environment guidance, aligning with business goals of faster iteration and easier maintenance.