windelployqt is broken in Qt5.14 ("unable to find platform plugin")

windeployqt is shows error for qml project "unable to find platform plugin"

Setup:

1. Qt 5.14 opensource
2. Windows 10

Step to reproduce

1. create qml project in qt creator
2. build in release/debug mode
3. open Qt mingw console
4. Navigate to build folder and launch windeployqt with --qmldir .
5.  error  "unable to find platform plugin" occurs

Observations:

No issues observed in Qt 5.12.X series

Please find attached screenshot  for reference