/build/falkon-git/src/build/src/plugins/PyFalkon/PyFalkon/pyfalkon_module_wrapper.cpp:613:2: error: #error writeMinimalConstructorExpression: Could not find a minimal constructor for type 'QHstsPolicy'. This will result in a compilation error. #error writeMinimalConstructorExpression: Could not find a minimal constructor for type 'QHstsPolicy'. This will result in a compilation error. ^~~~~
Upstream bug: https://bugreports.qt.io/browse/PYSIDE-711
Fix has been now committed to master and Falkon/3.0 branches.