During April 2026, Kravchik Yakov focused on maintaining the pqrs-org/KE-complex_modifications repository, addressing configuration reliability by removing duplicate JKIL arrow key mappings. He applied his skills in configuration management and keyboard mapping to streamline the setup, reducing the risk of conflicting key behaviors for end users. Working primarily with JSON, he simplified the mapping model, making future validation and updates more straightforward. This targeted bug fix improved the overall maintainability of the configuration and contributed to a smoother user experience by lowering the likelihood of support issues. The work demonstrated careful attention to detail and practical problem-solving within the codebase.