2026 WorldCat Entities updates
Review the most recent updates and bug fixes for WorldCat Entities.
| Area affected | Issue/Update | Details | Issue/Update date |
|---|---|---|---|
| View entity details | IIIF Manifest Support | WorldCat Entities data may now contain IIIF manifest URL values. These are visible as thumbnail images on the page along with the IIIF manifest URL. | Installed April 2026 |
| View entity details | Date format update | The date format for display has been updated to YYYY-MM-DD to ensure consistent, internationally reliable date presentation. | Installed April 2026 |