So, I am trying out the WebP support in 4.6. First, I only got broken images, but I quickly narrowed down the problem: the images are uploaded and processed successfully, but stored without a file suffix in the uploads directory and then blocked by <ipb-protection> in the htaccess file.
So what is going on there? Why is there no file suffix? Is that intentional? Can I change it? Is it a bug? A server configuration?
P.S. I tried it here on the site for comparison, but it create a different issue and I couldn’t even upload the images: