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AFAIK that's why you are using PyQt5 and all the tutorials out there, right? I guess you are mostly cover on that front :P
It's almost impossible to make beginner friendly tutorials to cover every single use case.
Now it's QThread, tomorrow, for another user is QtSerialPort, maybe someone else want some tutorial on Creating custom widgets, etc, etc, etc.
That's why all the tutorials out there you use for PyQt5, are written by the community.
That's why, I encourage you to write tutorials of things you learn, otherwise, the same story repeats over and over.