1. CSS Shapes Level 1

    Allows geometric shapes to be set in CSS to define an area for text to flow around. Includes properties `shape-outside`, `shape-margin` and `shape-image-threshold`

  2. SVG (basic support)

    Method of displaying basic Vector Graphics features using the embed or object elements. Refers to the SVG 1.1 spec.

  3. canvasrenderingcontext2d api: ellipse

  4. offscreencanvasrenderingcontext2d api: ellipse

  5. path2d api: ellipse

  6. svgellipseelement api

  7. svgellipseelement api: cx

  8. svgellipseelement api: cy

  9. svgellipseelement api: rx

  10. svgellipseelement api: ry

  11. types: `<basic-shape>`: `ellipse()`

  12. types: `<corner-shape-value>`: `superellipse()` function

  13. types: `superellipse()`

  14. svg element: ellipse

  15. svg element: ellipse: cx

  16. svg element: ellipse: cy

  17. svg element: ellipse: fill

  18. svg element: ellipse: fill: `context-fill` value

  19. svg element: ellipse: rx

  20. svg element: ellipse: ry

  21. svg element: ellipse: systemlanguage