Source Intelligence

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 v2.1.77 Home All releases olderv2.1.76 v2.1.78newer
Claude Code v2.1.77

Installation Deduplication

When multiple install requests are triggered concurrently, subsequent calls now join the in-flight installation rather than starting parallel ones.

Evidence

Dedup logic (search for "installLatest: joining in-flight call")

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

See this entry in the whole of v2.1.77 →