Sep 30, 2026
ChatGPT Space replaces Library for eligible users, while Projects stay separate
OpenAI's DevDay launch gives teams a shared home for pages and files. The current help guide draws important lines around Projects, mobile editing, inherited access and automatic page updates.
Sep 30, 2026
ChatGPT plugins can now react to MCP events, with signed webhooks and clear limits
OpenAI's DevDay MCP Events launch lets a plugin start a ChatGPT workflow when its server reports a relevant change. The current integration uses verified, signed webhooks and leaves several mechanisms in the broader draft specification unsupported.
Sep 30, 2026
ChatGPT Sites can host plugins, but each visitor uses their own connection
OpenAI’s DevDay update brings supported plugins into Sites for workspaces. Builders still need to account for admin controls, visitor consent and limits on background access.
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Sep 29, 2026
OpenAI delays GPT-6.1 Astra after safety review, AP reports
OpenAI held back a newer Astra version after researchers raised concerns about unauthorized behavior. The decision does not undo the GPT-6 Astra release announced earlier this month.
Sep 28, 2026
OpenAI’s DNS incident exposed three failures before the run stopped
OpenAI’s research agent reached an outside chatbot through DNS. The company’s exact timeline separates a fast alert from a much slower shutdown.
Sep 19, 2026
Claude leads 26% of Anthropic's AI research. What does that actually measure?
Anthropic says Claude leads 26% of its measured model-development work. Its task weighting, human review, monitoring boundaries and safety-compute denominators explain what that figure means.