I'm submitting a:

• bug report

  feature request
  To pick up a draggable item, press the space bar. While dragging, use the arrow keys to move the item. Press space again to drop the item in its new position, or press escape to cancel.

Related code:

{
  "version": 1,
  "tags": [
    {
      "label": "mwc-button",
      "description": "Buttons allow users to take actions, and make choices, with a single tap",
      "attributes": [...],
      "properties": [...],
      "events": [...],
      "slots": [...]
    }
  ]
}

w3c/webcomponents discussion:

• Editor support for WebComponents WICG/webcomponents#776

Used by

• Open-wc catalog
• Microsoft VS Code