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General:
Forums subtopic: App & System Services > Networking
TN3151 Choosing the right networking API
Networking Overview document — Despite the fact that this is in the archive, this is still really useful.
TLS for App Developers forums post
Choosing a Network Debugging Tool documentation
WWDC 2019 Session 712 Advances in Networking, Part 1 — This explains the concept of constrained networking, which is Apple’s preferred solution to questions like How do I check whether I’m on Wi-Fi?
TN3135 Low-level networking on watchOS
TN3179 Understanding local network privacy
Adapt to changing network conditions tech talk
Understanding Also-Ran Connections forums post
Extra-ordinary Networking forums post
Foundation networking:
Forums tags: Foundation, CFNetwork
URL Loading System documentation — NSURLSession, or URLSession in Swift, is the recommended API for HTTP[S] on Apple platforms.
Network framework:
Forums tag: Network
Network framework documentation — Network framework is the recommended API for TCP, UDP, and QUIC on Apple platforms.
Building a custom peer-to-peer protocol sample code (aka TicTacToe)
Implementing netcat with Network Framework sample code (aka nwcat)
Configuring a Wi-Fi accessory to join a network sample code
Moving from Multipeer Connectivity to Network Framework forums post
Network Extension (including Wi-Fi on iOS):
See Network Extension Resources
Wi-Fi Fundamentals
TN3111 iOS Wi-Fi API overview
Wi-Fi Aware framework documentation
Wi-Fi on macOS:
Forums tag: Core WLAN
Core WLAN framework documentation
Wi-Fi Fundamentals
Secure networking:
Forums tags: Security
Apple Platform Security support document
Preventing Insecure Network Connections documentation — This is all about App Transport Security (ATS).
Available trusted root certificates for Apple operating systems support article
Requirements for trusted certificates in iOS 13 and macOS 10.15 support article
About upcoming limits on trusted certificates support article
Apple’s Certificate Transparency policy support article
What’s new for enterprise in iOS 18 support article — This discusses new key usage requirements.
Technote 2232 HTTPS Server Trust Evaluation
Technote 2326 Creating Certificates for TLS Testing
QA1948 HTTPS and Test Servers
Miscellaneous:
More network-related forums tags: 5G, QUIC, Bonjour
On FTP forums post
Using the Multicast Networking Additional Capability forums post
Investigating Network Latency Problems forums post
WirelessInsights framework documentation
iOS Network Signal Strength
Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"
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A simple app to track your macros, weight, and meals, powered by AI
The goal: go straight to what matters, without all the clutter and friction you usually find in fitness apps like "MFP". We’re building something light, intuitive, and actually enjoyable to use, especially for beginners who just want quick, accurate tracking without getting lost in complex menus.
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Thank you all
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I’m the developer behind ChatWithAnyone, an iOS 26-exclusive app built with SwiftUI and FoundationModels to fully leverage Apple’s new on-device LLM.
I've attached a product description document and included the TestFlight link below.
What it is:
ChatWithAnyone is a hub of specialized, offline AI personas—fast, private, and designed to run fully on-device. Instead of one generic chatbot, users unlock focused models for editing, language learning, role-play, coaching, and more.
Why it matters for Apple:
Demonstrates the power of iOS 26’s local AI framework (FoundationModels)
Provides a seamless, privacy-first experience that works anywhere, offline
Designed to highlight the elegance and performance of Apple’s on-device intelligence
TestFlight Link
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Looking for testing the first version of my app...
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