You can set a message to appear onscreen when people log into your Mac. Here's how to set it up, as well as how to remove it.

With Xcode 26.3, Apple brings agentic AI to app development, enabling tools from OpenAI and Anthropic to build, debug, and automate code actively.

Users will have to connect their OpenAI or Anthropic accounts to Xcode via an API key. Apple said it uses an open standard that gives programmers the ability to use other compatible agents and AI ...

Apple's Xcode 26.3 integrates Anthropic's Claude and OpenAI's Codex, letting AI agents autonomously write, build, and test code—sparking debate over security and the future of software development.