Safari and Webkit definitely support WebM, but it’s disabled on iOS, making it a bit useless. Of course, it’s enabled on macOS, where Apple has to compete with

Safari and Webkit definitely support WebM, but it’s disabled on iOS, making it a bit useless. Of course, it’s enabled on macOS, where Apple has to compete with other browser vendors. This leads me to believe the parent article is on the right track. I’ve heard Opus is supported, but not in Mkv (WebM) or Vorbis containers, making it a bit pointless.