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UCP v2026-08-25 Breaks Quietly: 4 Changes That Still Pass Validation

This story is from 2026-08-29. It is preserved in the archive; the latest stories are on the live feed.

On August 25, 2026, the Universal Commerce Protocol shipped v2026-08-25 . It is the first new spec version in four and a half months, and it is a big one: a multi-vertical refactor laying groundwork for Food and Lodging, grocery and location capabilities, 3D Secure via a new Actions primitive, spli…

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  1. 2026-08-29 12:58 · DEV Community — AI
    UCP v2026-08-25 Breaks Quietly: 4 Changes That Still Pass Validation

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