The ChatGPT codebase was updated on February 24th, introducing a new text-to-speech feature and adding 67 new image styles for DALL·E 3. The text-to-speech functionality allows users to convert generated text directly into speech, enhancing user convenience. The update to the DALL·E 3 image generation system introduces 67 new image styles including 35mm film, abstract, and fisheye effects, while also enhancing users' control over image generation. This update also includes creative prompts for starting new chats, an upgrade to Data Analysis version 2, and other features, improving the interactive experience and data analysis capabilities of ChatGPT. The ChatGPT knowledge base is regularly updated to ensure users have access to the latest information.