July 2025 monthly summary for Shopify/theme-liquid-docs: Stabilized core Theme Check validation and expanded documentation testability. Key features delivered include dynamic fixture data and a conditional settings reference for Theme Liquid documentation, improving flexibility and test coverage. Major bugs fixed involve correcting the visible_if validation/parsing for paragraph elements in Theme Check, eliminating false negatives and ensuring proper conditional rendering. Overall impact: higher reliability of theme validation, faster iteration cycles for docs and tests, and a better developer experience for contributors. Technologies/skills demonstrated: fixture-driven testing, test data design, Ruby-based tooling (Theme Check) and documentation scaffolding, and commit-driven development with clear, traceable changes.