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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.

← All of v2.1.251 Home All releases ←olderv2.1.250

Claude Code v2.1.251 28 Aug 2026

Watching an artifact rejects a path that is not a live file

You'll notice

Useful2 Signal2

Artifacts

Watching an artifact path that is not a live file now returns a clear error.

What

The watch action now returns a dedicated invalid-path error when the path given does not resolve to a live file, rather than accepting it quietly. It applies to watch calls when the related live-file feature check passes.

Evidence

LIVE_PATH_INVALID

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

See this entry in the whole of v2.1.251 →