Qt 6.1.0 betas fail to compile: qpaintengine_x11.cpp:2457:43: error: no matching member function for call to 'loadGlyph'

qpaintengine_x11.cpp fails to build in the 6.1.0 betas:

{{../src/plugins/platforms/xcb/nativepainting/qpaintengine_x11.cpp:2457:43: error: no matching member function for call to 'loadGlyph'
QFontEngineFT::Glyph *glyph = ft->loadGlyph(glyphs[i], 0, QFontEngineFT::Format_Mono);
~~~_^~~~~~~~
include/QtGui/6.1.0/QtGui/private/../../../../../../src/gui/text/freetype/qfontengine_ft_p.h:263:19: note: candidate function not viable: no known conversion from 'int' to 'const QFixedPoint' for 2nd argument
inline Glyph *loadGlyph(uint glyph,
^
include/QtGui/6.1.0/QtGui/private/../../../../../../src/gui/text/freetype/qfontengine_ft_p.h:269:12: note: candidate function not viable: no known conversion from 'const unsigned int' to 'QFontEngineFT::QGlyphSet *' for 1st argument
Glyph *loadGlyph(QGlyphSet *set,
^
../src/plugins/platforms/xcb/nativepainting/qpaintengine_x11.cpp:2610:64: error: no viable conversion from 'const QFixed' to 'const QFixedPoint'
QFontEngineFT::Glyph *glyph = set->getGlyph(glyphs[i], spp);
^~~
}}