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Assistants/OpenAI Codex CLI

OpenAI Codex CLI

OpenAI · cli agent · paid

Lightweight coding agent that runs in your terminal (Codex CLI).

agentcliopenaicodex
Website ↗Docs ↗
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Config files OpenAI Codex CLI has changed

Config you own — hooks, permission rules, MCP servers, settings — that releases below state a change to. Counted from the release notes we track, newest change first. How a harness is layered.

skills and plugins3 changes · 9 releases touched it · latest Sep 29, 2026 · rust-v0.159.0 ↗
agent context files3 changes · latest Oct 15, 2026 · rust-v0.163.0 ↗
MCP server config2 changes · 16 releases touched it · latest Sep 9, 2026 · rust-v0.154.0 ↗
permission rules2 changes · 6 releases touched it · latest Oct 15, 2026 · rust-v0.163.0 ↗
hooks1 change · 6 releases touched it · latest Oct 15, 2026 · rust-v0.163.0 ↗
sandbox settings1 change · 6 releases touched it · latest Aug 7, 2026 · rust-v0.147.0 ↗

Security advisories

2 published for Codex CLI, from the GitHub Advisory Database.

Release signals

OpenAI Codex CLIrust-v0.155.0Sep 17, 2026

Added experimental `/voice` conversations with live transcripts and microphone controls on supported builds, enabled through `/experimental`. (#43581, #43651, #44331)

  • The TUI now shows live reasoning summaries in the status row and completion timestamps after successful turns. (#43558, #43921)
  • Added task hiding, archiving, and deletion in the agents overview, plus worktree ownership details and confirmed deletion of clean managed worktrees. (#43942, #44424, #44433)
  • Added Touch ID verification for MCP requests in local TUI sessions on supported Macs. (#43624, #43712, #43715)
  • +137 more changes
Read the full release note

New Features

  • Added experimental /voice conversations with live transcripts and microphone controls on supported builds, enabled through /experimental. (#43581, #43651, #44331)

  • The TUI now shows live reasoning summaries in the status row and completion timestamps after successful turns. (#43558, #43921)

  • Added task hiding, archiving, and deletion in the agents overview, plus worktree ownership details and confirmed deletion of clean managed worktrees. (#43942, #44424, #44433)

  • Added Touch ID verification for MCP requests in local TUI sessions on supported Macs. (#43624, #43712, #43715)

  • Added configurable daemon update schedules and codex app-server daemon update; saved threads and active goals can recover after daemon restarts. (#43542, #43562, #44314)

  • Amazon Bedrock can now obtain AWS credentials from configured commands, with caching, expiration-based refresh, and authentication recovery. (#44028)

Bug Fixes

  • Accepted prompts are now saved even when compaction fails before a turn starts. (#44487)

  • Fixed missed tmux resizes, transcript viewport restoration, and stale history appearing after switching threads. (#43603, #43889, #43994)

Excerpt ends here — this release continues at the source ↗.

Primary source ↗

Polled sources

[openai-developers] OpenAI Developers Codex

Product page · not polled

https://developers.openai.com/codex

[github-releases] GitHub Releases

GitHub Releases · last read Oct 25, 2026

https://github.com/openai/codex/releases