User blog comment:MisterWoodhouse/Blogs are now available on the Unified Community Platform/@comment-36165018-20200821155724/@comment-24258073-20200823070123

Yeah, that can sometimes happen. Usually if you remove the latest revision bit from the URL, that can sometimes stop it from being saved as a webp. The webp format can be a real pain, since it means you have to use an online tool to convert it to a png.