{
  "id": 18354985,
  "title": "First macOS Sequoia 15.8.3 and macOS Tahoe 26.7.3 RCs now available [U]",
  "url": "https://urgent.news/2026/11/05/first-macos-sequoia-15-8-3-and-macos-tahoe-26-7-3-rcs-now-available-u",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-11-05T19:03:56.000Z",
  "source": {
    "name": "9to5Mac",
    "slug": "9to5mac",
    "url": "https://9to5mac.com/2026/11/05/first-macos-sequoia-15-8-3-and-macos-tahoe-26-7-3-rcs-now-available/"
  },
  "original_language": "en",
  "account": null,
  "summary": "Apple has released the first release candidates for macOS Sequoia 15.8.3 and macOS Tahoe 26.7.3, alongside the public beta release of macOS 27.3. The new updates bring several Safari features, such as Vertical Tabs, Adaptive Dark Mode, and Siri AI Custom Actions, and may support additional Siri AI languages. As with previous releases, the release notes emphasize security fixes, with details on specific vulnerabilities to be disclosed later.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "AppleInsider",
        "title": "How to install macOS Tahoe on unsupported Macs",
        "url": "https://urgent.news/2026/11/05/how-to-install-macos-tahoe-on-unsupported-macs",
        "published": "2026-11-05T04:02:52.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}