Codex for iOS gets turn alerts and fresh slash commands
OpenAI updated Codex in ChatGPT for iPhone/iPad with push notifications for turn completion, fixed Sign in with Apple linking issues, and introduced new slash commands (with /fork coming). The update also improves the iOS/desktop experience, hints at more features rolling out to the Mac app, and notes Codex Mac can run tasks without taking over the cursor, alongside broader GPT-5.5 and subscription moves.