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#matrix

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Why a Public Iceberg Matrix Beats Vendor Spec Sheets

Sixty-three capabilities, three levels, no marketing. The Iceberg Matrix is what compatibility looks like when the rubric is public and the evidence has to land in code. Here is why it works, what we learned from sitting on it, and why every open standard needs one.

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The Iceberg Matrix and the Quiet Bug Hiding in V3

We thought the V3 path worked. The unit tests said it worked. The matrix called it 'partial' and we agreed. Then we wrote eleven end-to-end tests and discovered Polaris had been silently rejecting every V3 column type for months.

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