Some of the 3D Graphic examples fail when running the examples under native Wayland (no XWayland). If you just run python -m pyqtgraph.examples (or equivalently QT_QPA_PLATFORM=xcb python -m pyqtgraph ...

When running the example application on Windows, examples run when clicking on the Run Example button. However, trying to run an edited example, or starting an example by double clicking the name ...