@Lazar-Demin
the main use is to communicate with an Analog digital converter. And many python libraries are using spidev so i think it makes sense to make this working again. Anyway if there is an alternative its also ok, but for now i didnt found a working solution in python3.
I also tried to use spi-tools for testing the spi connection and there also seems to be some errors. But i will do some further tests later and give some feedback.