Claude Sonnet 5.5 breaks Sonnet 5 code in five ways, and one fails silently

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 30 Sept, 08:44 UTC

Anthropic lists five ways that code written for Claude Sonnet 5 can break on Claude Sonnet 5.5, and the one that reports nothing is the change to thinking blocks. Sonnet 5.5's thinking blocks work only in the account that produced them, and when another account sends one, Anthropic's API release…

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Sources

• T2Claude Sonnet 5.5 breaks Sonnet 5 code in five ways, and one fails silentlyUploadVR / Road to VR / MIXED30 Sept, 08:44