MDN says desktop Safari supports vp8/vorbis in webm, which should be compatible with the sway project's values, but mobile Safari doesn't support any free video

MDN says desktop Safari supports vp8/vorbis in webm, which should be compatible with the sway project's values, but mobile Safari doesn't support any free video codecs from what I understand. https://developer.mozilla.org/en-US/docs/Web/HTML/Supported_media_formats https://developer.mozilla.org/en-US/docs/Web/HTML/Supported_...