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Reading a new release v2.1.251 Analysing changes · 2/5 Deeper second pass · 0/5 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 v2.1.178

The removal of TeamCreate and TeamDelete is a breaking change for any workflow that explicitly called those tools. Update to use the Agent tool's name parameter directly. The team_name field in TeammateIdle hook event payloads is deprecated and will be removed in a future release.

The Artifact tool's content model changed: files should no longer include <!DOCTYPE html>, <html>, <head>, or <body> tags — the tool wraps the content in a skeleton automatically. Existing artifact files that include these tags may render with duplicate structure.

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