Apple recently released the Xcode 26.3 update, with its core highlight being the introduction of an 'Autonomous AI Coding Agent.' This version includes Swift 6.2.3 and natively integrates OpenAI Codex and Anthropic Claude. This update enables AI-assisted development to be fully integrated into the official toolchain, allowing the agent to interact with developers' projects and execute complex workflows. Xcode 26.3 also integrates both as officially supported coding agents and introduces a model context protocol, allowing third-party AI providers to connect. Meanwhile, Apple has established a fine-grained permission control system to ensure code security.
