Hi, actually I cannot add much 
Just have read that sometimes the results are not properly saved in the Gradebook or that in the review option of the activity there are some inconsistencies. Sometimes it's not a bug but a simple configuration aspect. But I know Sara and her team work on the possible bugs super fast.
Quiz
Make a 1-step quiz, everything on the same screen
This discussion has been locked so you can no longer reply to it.