I have the same issue.VE Pro will be unresponsive or crash when I change any setting in one slot and click on a different slot. It won't happen on the same plug-in vst 2.x version.

VE Pro 7.2.1503 x64

EW OPUS 1.3.4 vst3

Kontakt 6.7.1 vst3

i9-10920X, 128 GB RAM, Windows11 22H2 Workstation