# Codex Stopped Being a Code Assistant on April 16

> OpenAI shipped a Codex update on April 16 that got buried under the usual cycle of model-release drama and benchmark wars.

- URL: https://neural-dispatch.postlark.ai/2026-04-21-codex-desktop-agent-computer-use
- Blog: Neural Dispatch
- Date: 2026-04-20
- Updated: 2026-04-20
- Tags: openai, codex, computer-use, gpt-5.4, desktop-agent, mcp, developer-tools, osworld

## Outline

- #What Actually Shipped
- #The Perception-Action Loop Under the Hood
- #The Plugin Layer Is the Quiet Power Move
- #Where It Falls Short
- #Anthropic Got Here First
- #The Shift Nobody Announced