Codex release notes — page 4
Browse Codex release summaries and publication dates. Codex 0.121.0 through Codex 0.100.0. Open each official GitHub release for the complete changelog.
Saved release summaries, not complete changelogs. Each entry links to the official release; new entries appear after a successful sync.
Codex 0.121.0
Added codex marketplace add and app-server support for installing plugin marketplaces from GitHub, git URLs, local directories, and direct marketplace.json URLs (#17087, #17717, #17756).…
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Realtime V2 can now stream background agent progress while work is still running and queue follow-up responses until the active response completes (#17264, #17306)…
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Realtime voice sessions now default to the v2 WebRTC path, with configurable transport, voice selection, native TUI media support, and app-server coverage for the…
Read the official release notesCodex 0.118.0
Windows sandbox runs can now enforce proxy-only networking with OS-level egress rules, instead of relying on environment variables alone. (#12220) · App-server clients can…
Read the official release notesCodex 0.117.0
Plugins are now a first-class workflow: Codex can sync product-scoped plugins at startup, browse them in /plugins, and install or remove them with clearer…
Read the official release notesCodex 0.116.0
App-server TUI now supports device-code ChatGPT sign-in during onboarding and can refresh existing ChatGPT tokens. (#14952) · Plugin setup is smoother: Codex can prompt…
Read the official release notesCodex 0.115.0
Supported models can now request full-resolution image inspection through both view_image and codex.emitImage(..., detail: "original"), which helps with precision visual tasks. (#14175) · js_repl…
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Added an experimental code mode for more isolated coding workflows. (#13418) · Added an experimental hooks engine with SessionStart and Stop hook events. (#13276)…
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Added a built-in request_permissions tool so running turns can request additional permissions at runtime, with new TUI rendering for those approval calls. (#13092, #14004)…
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Added @plugin mentions so users can reference plugins directly in chat and auto-include their associated MCP/app/skill context. (#13510) · Added a new model-selection surface…
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Fast mode is now enabled by default, and the TUI header shows whether the session is running in Fast or Standard mode. (#13450, #13446)…
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Added a plugin system that can load skills, MCP entries, and app connectors from config or a local marketplace, with an install endpoint for…
Read the official release notesCodex 0.107.0
You can now fork a thread into sub-agents, making it easier to branch work without leaving the current conversation. (#12499) · Realtime voice sessions…
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Added a direct install script for macOS and Linux and publish it as a GitHub release asset, using the existing platform payload (including codex…
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The TUI now syntax-highlights fenced code blocks and diffs, adds a /theme picker with live preview, and uses better theme-aware diff colors for light…
Read the official release notesCodex 0.104.0
Added WS_PROXY/WSS_PROXY environment support (including lowercase variants) for websocket proxying in the network proxy. (#11784) · App-server v2 now emits notifications when threads are…
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App listing responses now include richer app details (app_metadata, branding, and labels), so clients can render more complete app cards without extra requests. (#11706)…
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Added a more unified permissions flow, including clearer permissions history in the TUI and a slash command to grant sandbox read access when directories…
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Model resolution now preserves the requested model slug when selecting by prefix, so model references stay stable instead of being rewritten. (#11602) · Developer…
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Added an experimental, feature-gated JavaScript REPL runtime (js_repl) that can persist state across tool calls, with optional runtime path overrides. (#10674) · Added support…
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