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Module "Qt.labs.platform" is not installed in release

  • Hi,
    I am using FileDialog from Qt.labs.platform 1.1 on win 10 in Qt creator, compilator I use is Desktop Qt 5.15.2. MinGW 64 bit.
    In the debug mode is working everthing fine but when I change to release mode I get following error in from the compilator:
    QQmlApplicationEngine failed to load component
    qrc:/main.qml:6:1: module "Qt.labs.platform" is not installed

    I tried thinks like clean and rebuild or restart the computer and also change the number of import version but nothing helps. Any ideas how to solve that, please?