1. HEIF/ISO Base Media File Format

    HEIF (High Efficiency Image File Format) is a standard developed by the Moving Picture Experts Group (MPEG) for storage and sharing of images and image sequences. Can use `.heif` or `.heic` file extensions.

  2. Picture-in-Picture

    Allows websites to create a floating video window that is always on top of other windows so that users may continue consuming media while they interact with other sites or applications on their device.

  3. document api: exitpictureinpicture

  4. document api: pictureinpictureelement

  5. document api: pictureinpictureenabled

  6. htmlvideoelement api: autopictureinpicture

  7. htmlvideoelement api: disablepictureinpicture

  8. htmlvideoelement api: `enterpictureinpicture` event

  9. htmlvideoelement api: `leavepictureinpicture` event

  10. htmlvideoelement api: onenterpictureinpicture

  11. htmlvideoelement api: onleavepictureinpicture

  12. htmlvideoelement api: requestpictureinpicture

  13. pictureinpictureevent api

  14. pictureinpictureevent api: `pictureinpictureevent()` constructor

  15. pictureinpictureevent api: pictureinpicturewindow

  16. pictureinpicturewindow api

  17. pictureinpicturewindow api: height

  18. pictureinpicturewindow api: onresize

  19. pictureinpicturewindow api: `resize` event

  20. pictureinpicturewindow api: width

  21. shadowroot api: pictureinpictureelement

  22. headers http header: feature-policy: picture-in-picture