Pick an older build that you know worked. Pick the build halfway between that and the current build, and see if that works. keep on halving the gap between the newest known working and oldest known broken until you find the single change that caused the issue.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 48GB
GPU: Radeon 7800 XT
CPU: AMD Ryzen 5900X
RAM: 48GB
GPU: Radeon 7800 XT