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OpenAI released Codex CLI 0.145.0 on July 21, 2026 with Amazon Bedrock support, experimental paginated thread history with efficient session resume, audio inputs, stabilized multi-agent capabilities, and multi-folder local projects.
OpenAI redesigned the ChatGPT desktop app (macOS and Windows) with a cleaner Chat/Work layout and cloud-synced Work conversations across web, mobile, and desktop.
OpenAI tripled the custom instructions limit in ChatGPT to 5,000 characters. They also launched new unified search that searches across chats and projects simultaneously.
OpenAI has restored ChatGPT on WhatsApp for European Economic Area users after a 6-month absence due to EU regulation. ChatGPT simultaneously expanded to Kakao (South Korea) and Viber, requiring no OpenAI account.
Starting July 9, 2026, ChatGPT users can no longer create new group chats — OpenAI is retiring the pilot feature to simplify the product and redirect development toward ChatGPT Work and agentic capabilities.
