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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.

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Claude Code v2.1.247 26 Aug 2026

Finished npm installs for plugins are detected instead of repeated

You'll notice

Useful3 Signal1

Plugins

Plugin npm installs that already finished are recognised and skipped instead of run again.

What

npm dependency installs now record node_modules/.package-lock.json as a completion marker, so an install that already finished can be recognised rather than run again.

Details

Two lookups were added alongside it: a list of lockfiles and a map from lockfile to its completion marker.

Evidence

node_modules/.package-lock.json

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

See this entry in the whole of v2.1.247 →