Alex Henrie (@alexhenrie) commented about dlls/ntdll/unix/env.c:
STARTS_WITH( var, "TEMP=" ) || STARTS_WITH( var, "TMP=" ) || STARTS_WITH( var, "QT_" ) ||
STARTS_WITH( var, "VK_" ));
STARTS_WITH( var, "VK_" ) ||
STARTS_WITH( var, "XDG_SESSION_TYPE=" ));
I suspect we should treat any variable that starts with `XDG_` specially, not just `XDG_SESSION_TYPE`.