Claude API input_transformations adds thinking_mismatch_allowed entries in beta
Tech · Releases · Mon, September 14, 2026
Under the thinking-binding-controls-2026-08-01 beta header, input_transformations can report thinking_mismatch_allowed for thinking blocks that failed an unenforced prefix check. Logging these entries helps find conversation history edits i
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Also on Sep 14, 2026
| Date | Event | When |
|---|---|---|
| Mon, Sep 14, 2026 | Ganesh Chaturthi | 11 days ago |
| Mon, Sep 14, 2026 | 78th Primetime Emmy Awards | 11 days ago |
| Mon, Sep 14, 2026 | iOS 27 release | 11 days ago |
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- 2026-09-25: added to 2026-09-14