During February 2026, Triplkrypl focused on enhancing type safety in the phpstan/phpstan-src repository by refining the return type handling of the get_object_vars() function. They addressed a bug where the function’s return type did not accurately represent arrays with mixed values indexed by keys, which previously led to false positives in static analysis. Using PHP and leveraging unit testing, Triplkrypl implemented a more precise type definition and introduced targeted tests to validate object scenarios. This work improved the reliability of type inference for mixed-value arrays, demonstrating a thoughtful approach to static analysis accuracy and robust test-driven development within the codebase.