OpenAI appears to be working on a feature that would let you purchase a rate limit reset for Codex
Source: public checkout pricing config & ChatGPT web app assets
OpenAI is rolling out a new search in ChatGPT across chats, projects, images, and documents on web, iOS, and Android, started from the sidebar with filters to narrow results by content type and results that open the chat, project, or file directly, available on all plans globally