What's new about networking
Asked on 06/16/2025
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At WWDC, Apple introduced several new features and improvements related to networking:
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Network Framework Enhancements: The Network Framework has been updated to integrate tightly with Swift's structured concurrency, making networking code easier to write and maintain. It supports modern transports like QUIC and provides robust support for WebSockets. The framework also includes features like Connect by Name and Happy Eyeballs for efficient address resolution and connection (Use structured concurrency with Network framework).
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Wi-Fi Aware: A new framework called Wi-Fi Aware was introduced, enabling peer-to-peer networking without relying on routers or central servers. This allows devices to find each other and form secure links at runtime, which is ideal for local ephemeral experiences like file sharing or accessory setup (Supercharge device connectivity with Wi-Fi Aware).
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Local Network Privacy: macOS Sequoia now includes controls over local network access, requiring apps to provide a clear usage description for accessing local networks. This is part of Apple's ongoing efforts to enhance privacy and security (What’s new in privacy).
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Quantum-Secure Cryptography: Apple has enabled quantum-secure encryption in TLS by default on its operating systems, providing protection against future quantum attacks. This is available for recommended networking APIs like URLSession and Network Framework (Get ahead with quantum-secure cryptography).
These updates reflect Apple's focus on improving networking capabilities while maintaining a strong emphasis on privacy and security.
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Use structured concurrency with Network framework
Network framework is the best way to make low-level network connections on Apple platforms — and in iOS, iPadOS, and macOS 26, it’s a perfect fit for your structured concurrency code. We’ll explore how you can make connections, send and receive data and framed messages, listen for incoming connections, and browse the network for services. We’ll also cover key best practices along the way.