WebP Added As A Supported Image Format In Merchant Center
https://support.google.comGoogle has updated the Merchant Center image requirements so that you can now submit a WebP (.webp) image as a valid value for the image_link
and additional_image_link
attributes. This new format is approved in addition to JPEG (.jpg/.jpeg), PNG (.png), GIF (.gif), BMP (.bmp), and TIFF (.tif/.tiff) images.