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Apple Releases iOS 26.3 With Critical Patches as Siri Overhaul Slips to Later 2026 Updates

Internal test failures are forcing a staged Siri rollout across upcoming iOS versions.

Overview

  • Apple shipped iOS, iPadOS and macOS 26.3 with more than 40 security fixes, including CVE-2026-20700 that the company says was actively exploited in targeted attacks.
  • iOS 26.3 adds a system-level tool to move data from iPhone to Android and introduces EU-only interoperability such as full notification forwarding to third‑party wearables and easier proximity pairing for non‑Apple Bluetooth devices.
  • Bloomberg reports some context‑sensitive Siri features are moving from the expected iOS 26.4 to iOS 26.5 and possibly iOS 27 after tests showed slow or inaccurate responses and difficulty with complex queries.
  • Apple told CNBC the upgraded assistant remains “on course for 2026,” as Apple shares fell about 5% following reports of further delays.
  • Apple is combining its own models with Google’s Gemini for the revamp, with reporting indicating a fuller chatbot experience is planned for iOS 27 later in 2026.