Retraction of "a proof of soundness of the Raz-Safra low-degree test against entangled-player strategies, a key ingredient in the proof of the quantum low-degree test, itself a key ingredient in the MIP*=RE paper":

MIP*=RE is patched and remains believed true but not fully refereed. This post provides a lot more than the standard we-found-a-bug notice: a good description of what happened, what it implies technically, and how it affects the authors and community.

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