According to https://askubuntu.com/a/788917 WebP support works in 16.04 and up as long as the webp package is installed. Only thing to do then would perhaps be to make it a recommends/suggests of the imagemagick package?
** Changed in: imagemagick (Ubuntu) Status: Confirmed => Fix Released ** Changed in: imagemagick Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1117481 Title: Imagemagick lacks support for webp To manage notifications about this bug go to: https://bugs.launchpad.net/imagemagick/+bug/1117481/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs