1. HTML5 semantic elements

    HTML5 offers some new elements, primarily for semantic purposes. The elements include: `section`, `article`, `aside`, `header`, `footer`, `nav`, `figure`, `figcaption`, `time`, `mark` & `main`.

  2. audiodecoder api: configure

  3. audioencoder api: configure

  4. audioencoder api: configure: bitratemode

  5. audioencoder api: configure: opus

  6. audioencoder api: configure: opus: `opus.application`

  7. audioencoder api: configure: opus: `opus.signal`

  8. gpucanvascontext api: configure

  9. gpucanvascontext api: configure: `tonemapping` config property

  10. gpucanvascontext api: unconfigure

  11. videodecoder api: configure

  12. videodecoder api: configure: `flip` configuration option

  13. videodecoder api: configure: `rotation` configuration option

  14. videoencoder api: configure

  15. html element: figure