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News brief · About 1 min read

Tibo's Day 19 update covers dots calls, cache continuity and Codex CLI

Tibo describes faster dots call connections, cache continuity when changing reasoning in Codex and Work, and several Codex CLI changes.

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Original X post

Author and role: @thsottiaux · OpenAI Codex team; described as Codex lead in OpenAI’s May 2026 event

Identity evidence () · Source published:

In a post labelled Day 19 and his direct reply, Tibo describes product updates for dots, Codex and Work. These are the author's claims; AISubHub has not tested the changes.

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Tibo's Day 19 update covers dots calls, cache continuity and Codex CLI

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What the author said · editorial paraphrase

  • He says dots calls connect much faster, and changing reasoning during a Codex or Work conversation no longer invalidates the cache.
  • For Codex CLI, he lists reusable prompt presets, inline model and permission settings, and enterprise MCP sign-in.
  • He also says failures when resuming long CLI sessions have been fixed and Windows corporate-proxy authentication has been added.

AISubHub analysis

AISubHub analysis: these changes target connection waits, continuity when changing reasoning, and CLI setup in managed environments. Their actual effect depends on the user's configuration and requires verification.

Limits and availability

The two text posts do not specify a CLI version, account or plan eligibility, regions, or rollout conditions. We did not run the CLI, measure connection speed or cache behaviour, or verify availability for every user.

Sources and evidence

Tibo (@thsottiaux) · Day 19 product update

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Tibo (@thsottiaux) · direct Codex CLI reply

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AI-assisted editorial articles checked against linked primary sources. Vendor claims are attributed; inclusion is not endorsement.