Improving the Retargeting Pose
When using the Mixamo Animation Retargeting 2 plugin for Unreal Engine 5, some models could exhibit defects (e.g. to the shoulders) that you could easily improve adjusting the Retargeting Pose. Here a video tutorial on how to quickly improve it.
Text documentation: https://www.unamedia.com/ue5-mixamo/docs/improve-retargeting-results/