Could you please attach your .ioc file? I will highlight this issue internally to our CubeMx team.
Thanks
Imen
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It happens also on-screen in CubeMX at low zoom levels. It seems this 'low-zoom view' is stored into pdf. It may depend also on system font and graphics driver.
'locating stake': it happens at standard pins as well. The graphical representation of a pin is too small to fit pin names especially long (e.g. 'PC15-OSC32_OUT') names.