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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

Model-fallback check accepts a responseSwapped signal

The model-fallback check can now apply the refusal fallback when a response was swapped, not only when a message carries a marker

Under the hood Internal Changes
JSON All of v2.1.281
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ModelsArea: what it touches
Internal ChangesKind: in v2.1.281,
Internal ChangesSection of the release

Unclear The finding does not say what a swapped response is or what the reader sees when this fallback applies.

What

Claude Code has a fallback that can apply when the model refuses a request. The helper that decides this now accepts a responseSwapped option. The refusal-category fallback can now apply when a response was swapped, and no longer only when the message carries a marker.

Why

The refusal fallback can apply in more situations than before.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtThe finding does not say what a swapped response is or what the reader sees when this fallback applies.

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