1. In "Edit" -> "Preferences..." -> "Kits" -> "Qt Versions", add a Qt version by selecting its qtpaths binary.
   There should also be a qmake binary, but please select qtpaths.
2. In "Edit" -> "Preferences..." -> "Kits" -> "Kits", add a new kit using the Qt version from step 1.
   Expected: Works fine.
   Actual: Next to the kit's name, Creator displays a stop sign. The kit's tooltip reads: "qmake not found for Qt version."

This is the same with my own builds and Qt builds from the online installer.