• Tech Dev NotesTech Dev Notes
Apps
  • App lookup
  • App compare
Market movement
  • App charts
  • App rankings
Visual proof
  • App screens
  • App listing screenshots
  • App icons
Build intelligence
  • App tech stacks
  • Tool releases
  • Developers
More
  • X feature flags
  • Grokipedia
  • Blog
  • Follow on X
Skip to content
Codex CLI

OpenAI · CLI

Codex CLI 0.143.0-alpha.28

0.143.0-alpha.26→0.143.0-alpha.28·June 28, 2026 at 12:16 AM UTC

Patch release adding the gpt-5.6 model and NPM plugin source support.

Changelog

  • [new] Added gpt-5.6 as a supported model identifier.
  • [new] NPM is now available as a plugin source.

Under the hood

  • Added the sha1_smol dependency.
  • Expanded internal data models to cover additional agent reasoning, thread forking, command execution, cloud requirements, marketplace metadata, MCP elicitation, and permission profile handling.
  • Introduced EnvironmentInfo request/response payloads.
  • Cleaned up several event and enum variants that were no longer referenced.

Upgrade notes

No manual steps required.

content/

Browse captured content/

Same tree as codex-cli/latest/content for this version. Open the full browser for sidebar navigation between docs and other files.

Open content/ browser →

33 listed · 34 in tree · 18 under docs/

content/ browserNavigate docs, prompts, and root filesFolder index plus per-file pages with prev/next and a full file sidebar.
README.mdDocs2.7 KBCHANGELOG.mdDocs93 BAGENTS.mdDocs22 KBconfig.mdDocs273 Bdocs/agents_md.mdDocs126 Bdocs/authentication.mdDocs134 Bdocs/CLA.mdDocs2 KBdocs/codex-rs/bazel.mdDocs7.4 KBdocs/codex-rs/codex_mcp_interface.mdDocs6.8 KBdocs/codex-rs/protocol_v1.mdDocs9.5 KBdocs/config.mdDocs726 Bdocs/contributing.mdDocs6.2 KBView all 33 files in content/ browser →
Older release← 0.143.0-alpha.26Newer release→ 0.143.0-alpha.29
All Codex CLI releases →

© 2026 Tech Dev Notes

RSSAboutAPIPrivacyTermsSitemap@techdevnotes