Matt Pocock: Opus 5.5 one-shots a 400px menu bug from a zero-detail prompt
mattpocockuk · x · 2026-11-07
Matt Pocock says Claude Opus 5.5 one-shot fixed a menu that was broken at 400px width, from a prompt with no technical details — and the result "looks perfect, works perfect, and scores perfect". He calls Opus 5.5 a big change and is now struggling to find problems it fails at, apart from cost.
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