What OpenAI launched on September 1, 2026 On September 1, 2026, OpenAI announced general availability of healthcare plugins for eligible U.S. users and workspaces, including a Healthcare Public Data capability for ChatGPT and Codex. OpenAI describes Healthcare Public Data as a read-only way to search nine public healthcare sources for…
OpenAI’s Astra Announcement Marks a New Cybersecurity Line for Frontier Models OpenAI said on September 1, 2026, that Astra meets the Critical cybersecurity capability threshold under its Preparedness Framework, making it the first model OpenAI has designated at that level. The announcement is not a routine model-launch note: OpenAI is…
Why the August 28 GitHub marketplace import matters for enterprise plugin governance On August 28, 2026, OpenAI added a workspace administration capability that changes how organizations can distribute ChatGPT plugins internally: workspace admins and owners can import plugin marketplaces from public or private GitHub repositories into the workspace directory and…
OpenAI’s August 24 Premium-seat launch changes the ChatGPT Business capacity decision On August 24, 2026, OpenAI introduced Premium seats for ChatGPT Business, creating a two-tier seat model inside the same workspace: Standard seats and Premium seats. The official release-note framing is straightforward but commercially important: Premium seats provide five times…
How ChatGPT Work webhook prompts turn inbox, channel, and pull-request activity into reviewable automation On August 25, 2026, OpenAI added event-triggered scheduled tasks to ChatGPT Work for new Gmail messages, Slack channel messages, and GitHub pull-request activity. The practical change is that a task no longer has to run only…
What changed on August 29, 2026, and why enterprise API teams should care On August 29, 2026, OpenAI marked mutual TLS and X.509 workload identity federation generally available for the OpenAI API. The release notes state that organizations can configure certificates and X.509 identity providers in the Platform console and…
What changed on August 28, 2026 On August 28, 2026, OpenAI’s release notes added support for connecting multiple Google accounts to ChatGPT across Gmail, Google Calendar, and Google Contacts. The practical change is that a supported user can bring a personal Google account and a work Google account into the…
OpenAI’s August 31 WebMCP release turns websites into page-scoped tool providers OpenAI’s August 31, 2026 ChatGPT release notes introduced website tools delivered through WebMCP for ChatGPT Work and Codex inside the ChatGPT desktop app’s built-in browser. The practical change is narrow but important: when a supported user opens a supported…
Introduction This playbook is a practical guide for repository owners and platform teams who want to define, enforce, and evolve custom code review rules for Codex using AGENTS.md. It assumes teams run automated reviews with annotations such as @codex review and use the automatic review workflow that surfaces prioritized findings…
Introduction GPT-5.6 Sol introduces two distinct reasoning topologies intended to address different classes of difficult tasks: a “max” reasoning setting that deepens a single-agent chain-of-thought, and an “ultra” subagent mode that composes multiple specialized or parallel subagents under an orchestrator. This section establishes the conceptual distinction between those topologies and…
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