Skipping host requirements validation logic because `PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS` env variable is set.
{
  "ua": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 Safari/605.1.15",
  "results": [
    [
      "regex lookbehind /(?<=\\n)/ (from @pierre/diffs)",
      "SyntaxError: Invalid regular expression: invalid group specifier name"
    ],
    [
      "regex lookbehind + \\p{P} /gu (from mdast-util-gfm-autolink-literal)",
      "SyntaxError: Invalid regular expression: invalid group specifier name"
    ],
    [
      "class static block",
      "SyntaxError: Unexpected token '{'"
    ],
    [
      "Array.prototype.at",
      "ok"
    ],
    [
      "Object.hasOwn",
      "ok"
    ],
    [
      "structuredClone",
      "ok"
    ],
    [
      "Element.checkVisibility",
      "TypeError: document.body.checkVisibility is not a function. (In 'document.body.checkVisibility()', 'document.body.checkVisibility' is undefined)"
    ],
    [
      "URLSearchParams.size",
      "Error: undefined"
    ]
  ],
  "css": {
    "colorMix": true,
    "nesting": false,
    "registerProperty": false,
    "dvh": true
  }
}