adds qt into reuess4 ,main branch release drag this into reuess4 folder and edit xmake file by adding this into bottom includes("mymodGui") make sure u have qt installed, and copy the required Qt dll into correct folder

also check this how to do simple c++ mod https://github.com/Meep111/mymod-euess4-xmake/tree/main.

copy plugin folder where the excutible exe is running or you get platform error