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Reading a new release v2.1.251 Analysing changes · 2/5 Deeper second pass · 4/5 agents 427 findings $12.75 so far

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.19

TaskStop Replaces KillShell

The KillShell tool has been renamed to TaskStop with expanded capabilities:

  • Now supports stopping any background task type, not just bash shells
  • shell_id parameter is deprecated in favor of task_id
  • KillShell remains as an alias for backwards compatibility
  • Returns additional task_type field in the response
Evidence

Kj1 at line 416670 ("TaskStop" with aliases: ["KillShell"])

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.19 →