I try for the second time to post a question here, I don't know why I posted it yesterday, but it is not visible in the conversations. My problem is that I recently updated Spyder to the 5 version, but I cannot find anymore the code folding marker (i mean this
https://user-images.githubusercontent.com/365293/93352722-c199ec00-f800-11ea-9bfa-c82afbf75d67.png). In the previous versions, it was always present. I tried to edit preferences but I couldn't find it anywhere. If somebody knows how to handle this, please let me know, since that feature was extremely useful to me (I bet to others too).