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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.271 ·

New helper deduplicates/normalizes tool-runtime error arrays for reporting

New internal helpers clean up and format tool-runtime error lists for reporting

Under the hood Internal Changes
JSON All of v2.1.271
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.271,
Internal ChangesSection of the release
What

Three small internal helpers were added for handling errors from tool execution:

  • one normalizes an error-bearing object into a list of individual error entries, falling back to wrapping the whole object as a single entry if needed
  • another formats a single error's message, adjusting the reported line and column position by subtracting an offset from the line number
  • a third joins all the formatted error messages together with "; " separators
Why

This produces cleaner, more consistent error messages when reporting problems from tool execution, with line numbers adjusted to match what the user actually sees.

See this entry in the whole of v2.1.271 →

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