1. dots (the "biggest" / most "exciting" announcement) - always-on agents, described as "a whole new way to work with AI"
2. ChatGPT Space - shared workspaces for humans and AI agents (dots)
3. GPT 6.1 Sol - almost as capable as GPT 6 Astra, but 5x cheaper
4. "Ultrafast" mode - available in API, ChatGPT and Codex
5. Computer use in Agents API
6. Plugin extensions
what else?