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Codex CLI

OpenAI · CLI

Codex CLI 0.145.0-alpha.20

0.145.0-alpha.19→0.145.0-alpha.20·July 17, 2026 at 4:16 AM UTC

Patch alpha (0.145.0-alpha.20): small internal networking and telemetry adjustments, plus protocol cleanup—no major user-facing feature work in this build.

Changelog

  • [changed] The cloud-tasks force-internal override is now SOCKS5-specific via CODEX_CLOUD_TASKS_FORCE_INTERNALSOCKS5 (replacing CODEX_CLOUD_TASKS_FORCE_INTERNAL).
  • [changed] OpenTelemetry OTLP export is wired for the gRPC path rather than HTTP.
  • [removed] The failuremitm_hook_denied notification path is gone.

Under the hood

  • Protocol and client events were tightened (including an ack-style client event in place of the older client-message event) and related typed payloads were reshaped.
  • Collaboration / sub-agent thread item shapes and several tool, web-search, MCP elicitation, and guardian-approval variants were reworked for consistency.
  • GitHub repo modeling gained a parent-repo type for marketplace and related flows.
  • Wire content no longer carries a dedicated input-image content-item variant in this build.

Upgrade notes

  • If you relied on CODEX_CLOUD_TASKS_FORCE_INTERNAL, switch to CODEX_CLOUD_TASKS_FORCE_INTERNALSOCKS5.
  • Anything listening for failuremitm_hook_denied or the previous client-message event should be updated for the new event set.

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Older release← 0.145.0-alpha.19Newer release→ 0.145.0-alpha.22
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