Joshua Lampert focused on codebase maintenance for the DLR-AMR/t8code repository, targeting improvements in readability and licensing clarity. He refactored C and C++ source files by cleaning up comments and string literals, which enhanced maintainability without altering production behavior. Joshua also updated documentation by adding a BSD licensing statement to the author file, ensuring that the licensing of contributions was clearly communicated. His work included targeted typo corrections across the codebase, further reducing ambiguity. Through these efforts, Joshua applied his skills in code refactoring, documentation improvement, and licensing, delivering a more maintainable and transparent codebase within one month.