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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 v2.1.263 ·

New API-error detection for thinking block_binding mismatch

Claude Code can now recognize a specific new 400 error about thinking-block mismatch settings.

Under the hood Internal Changes
JSON All of v2.1.263
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
API ErrorsArea: what it touches
Internal ChangesKind: in v2.1.263,
Internal ChangesSection of the release

A new function, Got(e), detects a specific 400 API error about thinking.adaptive/enabled block_binding mismatch_behavior being an unrecognized input, distinguishing it from other known error types (Aq, Dle) already handled.

See this entry in the whole of v2.1.263 →

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