Yeah, just double checked my file, looks exactly as uploaded.
You mean these? They're definitely JPEG artifacts. JPEG is a very lossy compression and this is what that looks like. If OP has the original they can export it to PNG or lossless webp to show the difference.
Holy compression artifacts, Batman!
Yeah, just double checked my file, looks exactly as uploaded.
You mean these? They're definitely JPEG artifacts. JPEG is a very lossy compression and this is what that looks like. If OP has the original they can export it to PNG or lossless webp to show the difference.