最引人注目的更新在于 Siri 的智能化飞跃。代码显示，苹果计划在 iOS 26.4 中推出集成了“Apple Intelligence”的新版 Siri， 该助手将底层接入基于 Google Gemini 的大语言模型。 此次升级有望彻底改变用户的交互体验，让 Siri 具备更自然的对话能力和更强的语境理解力。

iOS 18.4, which Apple released Monday, brings several significant new features to iPhones. It is one of the biggest updates to the operating system since the initial public release of iOS 18 in ...