Chat History - Add Performance Mode

Hey @hshiggins! Good callout. A “hide old history but keep context” mode would make long build/debug sessions feel a lot smoother. For now, Projects are probably the closest option. They help keep the work grouped together so you can branch into a fresher chat while still keeping the overall project organized. Check out this article for more info: Projects in ChatGPT I can’t share a timeline, but I’ll pass this feedback along internally. - Sunny