When creating a QQmlComponent from a file and then deleting it and clearing the cache afterwards, it keeps the loaded cache file in memory so it ends up using a lot of memory due to mapped files

When creating a QQmlComponent from a file and then deleting it and clearing the cache afterwards, it keeps the loaded cache file in memory so it ends up using a lot of memory due to mapped files. This can be observed using the VMMap too and ensuring Options->Show Free and Unusable Regions is turned on.