Raimund Schluessler focused on maintenance and infrastructure improvements across Nextcloud’s codebase, emphasizing reliability and stability. In nextcloud-libraries/nextcloud-vue, he standardized test asset paths and naming conventions, enhancing test consistency and simplifying maintenance without altering production code. His work involved JavaScript and refactoring skills, targeting the hygiene of the testing infrastructure. In nextcloud/tasks, Raimund restored the Moment.js dependency to ensure accurate date handling throughout the application, preventing regressions in task due dates and filters. By prioritizing robust testing and dependency management using JavaScript and Node.js, he contributed to the long-term maintainability and stability of these projects.