OpenAI is sunsetting ChatGPT’s Canvas interface.
… OpenAI is also trying to make GPT-5.5 Instant’s responses easier to read by trimming their length and cutting down on “bullet-heavy” text. Link: ChatGPT — Release Notes | https://help.openai.com/en/articles/6825453-chatgpt-release-notes :~:text=May%2028%2C%202026,models%20are%20sunset. | OpenAI