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Reading a new release v2.1.251 Analysing changes · 2/5 Sorting the findings · 1/4 steps 470 findings $18.91 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.

All of v2.1.181 Home All releases olderv2.1.179 v2.1.182newer
Claude Code v2.1.181

Interrupt-Continuation Prompt System Removed

The previous mechanism that stitched interrupted model responses — which prepended a <partial-response> block and instructed the model to "continue from exactly where the quoted text leaves off" — has been removed. The text previously included: "The previous attempt at this response was interrupted before it could complete." This is replaced with a different approach to turn continuity.

Evidence

Removed $iK() function (search for "The previous attempt at this response was interrupted" — absent from new version)

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

See this entry in the whole of v2.1.181 →