Version 5.0.13

system/Image/Gd.php

@@ -244,6 +244,8 @@ class Gd extends Image
 				}
 			break;
 
+			case 'avif':
+			case 'webp':
 			case 'png':
 			case 'jpg':
 				/* We need to fill the background as transparent. If we copy a watermark image here (resizing it down for instance) and it has