OpenAI's open-source coding agent; stable releases only, alpha builds are skipped. https://newruntime.com/tools/codex/ 2026-10-27T00:00:00Z New Runtime tag:newruntime.com,2026:tool-change:codex:6aef5dba-21d1-4214-bd2a-8363cc0603f32026-10-27T00:00:00Z

Added a built-in Google Cloud Vertex AI provider, configured with model_provider = "gcp". · Added GPT-6.1 Terra to the model catalogs. · Added a repository filter to the session picker and directory grouping to the agent command center, making it easier to navigate sessions across linked worktrees. · Added experimental attached thread forks to the app-server API. · Enabled reasoning effort changes during a conversation by default for supported models. · Enabled memory v2 by default for fresh profiles and added support for importing external-agent memories into it. (#56211, #56414)

tag:newruntime.com,2026:tool-change:codex:6d759cb7-b3de-446c-ae14-5f92d4e1be572026-10-23T00:00:00Z

Save reusable prompts and slash commands in ten numbered /presets slots, with a keyboard menu for quick access. (#54380, #54381) · Set model, reasoning effort, speed, and permission profiles directly with inline /model and /permissions arguments. (#54378, #54383) · Preview viewed and generated images in the fullscreen transcript on terminals supporting Kitty or Sixel graphics. · Authenticate enterprise MCP connections using eligible Codex account grants or dedicated sign-in, including OAuth clients requiring secrets. (#55334, #55859, #56001) · Mask credentials during supported remote Bash commands and Zsh snapshot sessions, including credentials from custom providers. (#54309, #54432, #56049) · The Amazon Bedrock setup wizard is now enabled by default, with API key entry grouped alongside other AWS sign-in methods when credentials are detected. (#56033, #56023)

tag:newruntime.com,2026:tool-change:codex:1c1f3d0b-bb32-4147-aa77-db345031d8c62026-10-15T00:00:00Z

Open /config to search preferences across categories, change supported settings immediately, and see which changes require a restart. (#52990, #53429) · Send a follow-up while Codex is responding to steer it immediately. Interrupting a turn also stops active Code Mode cells and their nested tool calls. (#51812, #51835) · Configure a leader key in /keymap. The default is Ctrl+X, shortcut hints stay open until you choose or cancel, and voice mute moves to F9. · Restart a managed background server from /daemon. Codex warns about work the restart could interrupt, then reconnects automatically. · Codex can run independent read-only tools in parallel, including skill, memory, and conversation-history lookups. · Daybreak is enabled by default for eligible accounts. codex exec can also select it with an OpenAI API key when the server offers access. (#53701, #53717)