Hamish Slater focused on backend development for the SemanticMediaWiki/SemanticResultFormats repository, addressing a nuanced issue in template expansion logic. He delivered a targeted bug fix that normalized and trimmed whitespace from template names containing spaces before capitalization, ensuring correct template expansion and reducing mis-expansion errors. Working primarily with PHP, Hamish improved the reliability of template processing by refining how the system interprets and processes user input. Although the work spanned a single month and involved no new features, the fix demonstrated careful attention to code quality and maintainability, resulting in a more robust backend for handling complex template naming scenarios.