The Codex Changelog

We break down a nasty Electron bug that made the ChatGPT Desktop composer disappear after sending a prompt, plus a workspace context issue that dropped local project chats into Recents. The episode also covers a Windows Defender false positive blocking Codex patch commands and why the About dialog is the only reliable place to verify your build.

This episode covers the latest Codex terminal release, including the new rate-limit fallback to GPT-6 Luna, the model picker split between Luna and Sol, and the upgraded fullscreen /tui experience with better search, copying, and tmux/SSH paste handling.

We also dig into /usage analytics, default worktrees for subagents, preserved streamed output on failures, /daemon updates, native Mermaid and math rendering, voice mode defaults, and several important security fixes.

We break down OpenAI’s codex security 0.1.29 release, including custom patch validation prompts, markdown-based severity classification rubrics, and a cleaner CLI workflow for triaging findings. The update also adds Terraform file coverage, streaming for large scan logs, and sortable tables in the findings dashboard.

We break down a critical Codex CLI auth fix that prevents background daemons from carrying over model catalogs, WebSocket state, and remote control sessions when users switch between personal and enterprise logins. Then we cover the quick follow-up stability patch for reasoning summaries, the rollback of experimental voice chat in alpha, and safer managed worktree cleanup for agent workflows.

Show Notes

• Releases · openai/codex - GitHub: https://github.com/openai/codex/releases
• Codex Updates by OpenAI - September 2026 - Releasebot: https://releasebot.io/updates/openai/codex

We break down OpenAI Codex CLI 0.155.0, including Memory V2 with isolated storage, human-prioritized extraction, and dual-write rollout options. The episode also covers clearer quota-vs-rate-limit errors and new Agent Command Center shortcuts for managing background tasks and worktrees.

Show Notes

• openai/codex rust-v0.155.0 on GitHub - NewReleases.io: https://newreleases.io/project/github/openai/codex/release/rust-v0.155.0

This episode breaks down the Codex 0.155.1 fixes, including the reasoning summary default change that stopped proxy-related 400 errors, plus new ways to enable summaries when you want them.

It also covers Bedrock credential refresh via shell commands, safer Guardian authorization handling, and faster workspace cleanup shortcuts in the agents overview TUI.

This episode breaks down the latest Codex CLI release, including Touch ID approval for MCP requests on supported Macs, workspace-scoped identity protection, and cleaner cancellation handling. It also covers daemon update scheduling, live reasoning summaries in the TUI, worktree cleanup, Bedrock auth improvements, and the new experimental voice mode.

Show Notes

• Releases · openai/codex - GitHub: https://github.com/openai/codex/releases

OpenAI is retiring GPT-5.5 from ChatGPT, ChatGPT Work, and Codex on October 14, 2026, so hardcoded model strings in CI, cron jobs, and Codex configs need a quick update to gpt-5.6-sol. The episode also covers the removal of the legacy MCP server command and a handy new Codex desktop hotkey for inserting reusable prompt text.

We break down how Codex CLI 0.154.0 brings Windows daemon parity, replacing per-terminal servers with a single shared background process to eliminate SQLite lock collisions and stabilize multi-session workflows. The episode also covers the new socket-based shutdown flow, Windows sandbox isolation, thread resume improvements, and the important upgrade warning for older daemons.

We break down the newest Codex SDK and CLI updates, including per-turn service tier control, thread resume and fork options that return full history without bloating context, and source metadata for better telemetry. We also cover recent alpha patch fixes, worktree improvements, and an important CLI version requirement for custom bin overrides.