Over a two-month period, this developer contributed to nextcloud/viewer and nextcloud/richdocuments, focusing on backend improvements and access control. In nextcloud/viewer, they stabilized image loading by refining file sorting logic, ensuring numerically named folders are handled as strings, and synchronized build artifacts to maintain consistent asset references. For nextcloud/richdocuments, they implemented document creation access control by updating listener logic to enforce edit permissions, preventing unauthorized users from creating documents. Their work incorporated PHP, TypeScript, and unit testing, emphasizing asset management, file handling, and robust permission checks to enhance stability, security, and collaborative integrity across both repositories.