https://wccftech.com/elden-ring-patch-1-04-1/

A new Elden Ring patch has gone live today on PC and consoles, addressing some of the bugs that have been introduced by the previous major patch.

Patch 1.04.1 addresses a bug that affected the duration of the Cerulean Hidden Tear, another that affected the Malenia, Blade of Miquella boss fight in multiplayer, and a few others.