Tooltips show white text on white background


This happens most probably if you have a KDE based desktop (on Kubuntu etc.). KiCad uses wxWidgets/GTK UI library which doesn’t always work perfectly with KDE. The problem isn’t KiCad specific. KDE should have settings for application style and Gnome/GTK style in System Settings. Change the GTK2 style. Some styles may not work but some do.