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Claude Code: what changed, week by week

Anthropic's terminal coding agent. Every Claude Code release, setting and behavior change we covered, with links to the official changelog.

• #2 · October 26, 2026

  DeepSeek Flash lands in Token Pass, OpenAI takes on COBOL, and Claude Code warns before costly resumes

  • Claude Code 2.1.304 warns Pro and Max users before resuming an idle chat would eat a big chunk of the 5-hour limit, and adds /auto-mode-setup.
  • Tool of the week: DeepSeek's Search & Fetch APIs. They're free through Claude Code and Codex server-side tools until Oct 31.

  Read: 3. Claude Code 2.1.304–2.1.306: a resume warning and an auto-mode setup

• #1 · October 19, 2026

  Argon goes GA, two open giants drop, and Claude Code stops burning your cache

  • Claude Code now compacts long idle sessions before the 1-hour prompt cache expires, and fork subagents are on by default.

  Read: 4. Claude Code stops letting your prompt cache die

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