Apple 发布 macOS 15 Sequoia 开发者测试版，具有屏幕镜像、AI 增强型 Siri 和密码应用程序等功能。 Apple releases macOS 15 Sequoia developer beta with features like screen mirroring, AI-enhanced Siri, and a password app.

苹果已为现代 Mac 和 MacBook 发布了 macOS 15 Sequoia 开发者测试版，提供包括屏幕镜像、AI 注入的 Siri 和专用密码应用程序等新功能。 Apple has released macOS 15 Sequoia developer beta for modern Macs and MacBooks, offering new features including screen mirroring, AI-infused Siri, and a dedicated password app. 要安装测试版，请注册 Apple 的开发者测试版程序、确保有足够的存储空间，并在下载前备份您的系统。 To install the beta, register for Apple's developer beta program, ensure sufficient storage, and back up your system before downloading. 测试版本容易出现不稳定和错误；公开测试版将于 7 月推出。 The beta version is prone to instability and bugs; the public beta will be available in July.