qt-qml extension doesn't honour qt-qml.qmlls.additionalImportPaths

I'm using the pre-release version of qt-qml (1.3) and found that the setting "qt-qml.qmlls.additionalImportPaths" is not honoured.

I've added additional import paths via vscode UI, which writes a setting such as:

"qt-qml.qmlls.additionalImportPaths": [
    "/some-path1/","/some-path2/"] 

Restarted vscode and watched qt-qml logs, which say:

[qmlls] Starting QML Language Server with:--verbose;I/sources/proj/build/ 

I don't have any .qmlls.ini file interfering 

Also regardless of any setting, it seems to always put my build directoty dir, how does it know, did it cache it somewhere  (I've had a .qmlls.ini in the past) ?