Updated May 19
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.
OpenAIChatGPTSpace
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.
OpenAIChatGPTMCP
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.
OpenAIChatGPTSites
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OpenAI Confidentially Files for IPO, Targeting $1 Trillion Valuation
OpenAI has confidentially filed its S-1 with the SEC, joining Anthropic and SpaceX in AI's public-market moment. The $852 billion company loses $1.22 for every dollar of revenue but is targeting a Q4 2026 listing at up to $1 trillion. Builders should watch for pricing transparency, product strategy shifts, and increased competitive pressure.
openai-ipoopenai-s-1ai-stock
Jun 9, 2026
Perplexity Raises 200M for Comet as AI Browsers Become Agent Economy Front Door
Perplexity has raised 00 million at a near-0 billion valuation to scale Comet, its AI-native browser. The funding is not about a browser — it is about owning the surface where AI agents start tasks, make purchases, and increasingly act on your behalf.
perplexitycomet-browserai-browser
Jun 8, 2026
ChatGPT Memory Just Got 5x Smarter: Inside OpenAI's Dreaming V3 Upgrade
OpenAI has rolled out Dreaming V3, a revolutionary memory architecture for ChatGPT that automatically synthesizes context from years of conversations — no longer relying on users to tell the AI what to remember. The system achieves 5x compute efficiency while boosting factual recall to 82.8%, preference adherence to 71.3%, and time-sensitive accuracy to 75.1%. With a new Memory Summary page for user control and Gmail integration on the way, Dreaming V3 marks a fundamental shift in how AI assistants understand and remember their users.
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