Codex reached 5 million weekly users

Leaked screenshot suggests GitHub Copilot mobile app development, no official release date.

OpenAI merges Codex into ChatGPT, discontinuing the standalone API

Codex 'locked use' feature spotted on macOS for background AI coding

Codex integrated into ChatGPT mobile app for iOS and Android

Leaked screenshot shows OpenAI testing 'ultra-fast' latency mode for Codex

Codex 5.3 update cut GUI latency 42%

Launched new layered customization system informed by the study, using repo-level, path-specific, and custom agent files

Announced Copilot SDK shifting AI from chat to programmable execution layer.

Made custom agents, sub-agents, plan agent, and auto model selection generally available in JetBrains IDEs.