Worked on the pimcore/pimcore repository to enhance reliability in asset thumbnail generation by addressing a recurring failure in the image processing pipeline. Focused on backend development using PHP, the work introduced a pre-save validation step to ensure images are successfully saved before initiating thumbnail generation, thereby preventing errors caused by upstream conversion failures such as Ghostscript issues. This approach improved error handling and stabilized the asset processing workflow, reducing user-facing thumbnail errors. The solution emphasized robust validation and error management, contributing to ongoing reliability improvements in the system’s image processing capabilities over the course of the month’s development activity.