Hi @hieblertom,
There is a patch to 5.3.2standard binary to run LGPU 5.3.2 on GitHub
jimshalo10/GPULightmass-5-3-1-BIN-patch (github.com)
The announcement post is here
Luoshuang’s GPULightmass Announce 5.3.2 binary patch to UE 5 Epic Launcher
It works fine on RTX cards
Any Problems post or PM me Thanks.