@es-w Did you ever figure anything out on this? I'm having the same issue with QML in Qt 5.15.8 where some text is incorrect on the same screen as some correct text. I also explicitly set the font to Roboto prior to displaying any QML. The weird part is, is the same build works on one Red Hat VM, but does not work on a slightly different RH VM.

I found a workaround: Define environment variable within Qt application startup context: QML_USE_GLYPHCACHE_WORKAROUND = 1 Look on this topic: https://forum.qt.io/topic/39803/font-rendering-bug-on-some-android-devices/7