1. Media Queries: resolution feature

    Allows a media query to be set based on the device pixels used per CSS unit. While the standard uses `min`/`max-resolution` for this, some browsers support the older non-standard `device-pixel-ratio` media query.

  2. css api: `dpi()` static method

  3. webgl2renderingcontext api: readpixels

  4. webgl2renderingcontext api: readpixels: `pixels` parameter accepts `sharedarraybuffer` type

  5. webglrenderingcontext api: readpixels

  6. types: <resolution>: `dpi` unit