White background graphical glitch in SSBU

OS: Windows 10 Pro 64-bit
CPU: AMD Ryzen 5 3600 / 64 GB RAM
GPU: Radeon RX 5700
Yuzu Version: 737

Seems to be unique to Super Smash Brothers ultimate.

Gameplay, sound, and frame rate are not affected.
Other stages suffering the same problem are marked with a red X in the screenshot.
It appears only the battlefield and Final Destination forms of Spear Pillar are affected.

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.

This is an AMD Windows specific bug, with no fix for now. In Linux it works fine.