OpenAI Codex March 2026 Update Summary: Plugins, Triggers, and 5 Core Changes
Author's Note: A summary of all major OpenAI Codex updates from March 2026: Plugin ecosystem, Triggers for automated events, Security Agent, Windows release, and GPT-5.4 mini integration. March 2026 was a busy month for OpenAI Codex—with the Plugin system, automated Triggers, Security Agent, Windows version, and GPT-5.4 mini integration, they dropped five major updates at…
