Codex Diff Watch

Release channel

Alpha releases

Codex updates published from official prerelease activity.

  1. MCP startup stops blocking unrelated workMajor · Confirmed
  2. Thread sections and MCP 2026 open the next alphaMajor · Confirmed
  3. Plugins follow sign-in mode as subagent controls expandMajor · Confirmed
  4. Remote execution gains fail-closed network controlsMajor · Confirmed
  5. Portable plugins and live MCP refresh land in CodexMajor · Confirmed
  6. Remote code mode arrives over WebSocketsMajor · Confirmed
  7. Pin important threads and keep interrupted promptsNotable · Confirmed
  8. Name sessions directly with `/new` and `/clear`Major · Confirmed
  9. Completed hook warnings stay visible in the terminalNotable · Confirmed
  10. Multi-agent v2 prepares for stable with stronger side conversationsMajor · Confirmed
  11. Audio input reaches the Responses APIMajor · Confirmed
  12. Paginated thread history becomes searchable by occurrenceMajor · Confirmed
  13. Subagents keep their roles and history across reloadsMajor · Confirmed
  14. Setup import adds Cursor migrationMajor · Confirmed
  15. Explicit multi-agent mode can trigger proactive delegationMajor · Confirmed
  16. Spawned agents accept model overridesMajor · Confirmed
  17. Safety-buffering prompts explain waiting more clearlyBulletin · Confirmed
  18. Code Mode gets a fallback when its external host is unavailableMajor · Confirmed
  19. Image generation becomes the default extensionMajor · Confirmed
  20. Code Mode switches to hosted execution by defaultMajor · Confirmed
  21. Code Mode ships in release packages with tighter runtime controlsMajor · Confirmed
  22. Plugin guidance reacts to environment readiness and MCP startup recovers betterNotable · Confirmed
  23. Feedback attachments and remote plugin version reporting are correctedNotable · Confirmed
  24. Multi-agent mode guidance becomes configurableBulletin · Confirmed
  25. WebSocket liveness, multi-agent messaging, and XML security tighten upMajor · Confirmed
  26. Rendezvous WebSockets get lower latency and safer tracingNotable · Confirmed
  27. Remote plugins switch on by default and Max reasoning becomes first-classMajor · Confirmed
  28. Plugin marketplace source policy starts enforcing at runtimeNotable · Confirmed
  29. npm plugin sources and user-level review skills broaden customizationMajor · Confirmed
  30. Thread history modes and managed session defaults arriveNotable · Confirmed
  31. Ultra reasoning, OAuth-enabled plugin MCP, and remote-control pairing arriveMajor · Confirmed
  32. Image generation gains provider auth while app-server APIs keep evolvingNotable · Confirmed
  33. MCP tool search becomes the default as collaboration tools get a namespaceNotable · Confirmed
  34. Sessions resume more reliably while proxy and permission controls expandNotable · Confirmed