Expand weekly frequencies
Currently, I can only enter events every 1 or 2 weeks - what if it should be every 3 or 4 weeks? I think there should be one button "Every week" with a number spinner in between to raise the week interval.
What about recurring events on multiple weekdays, for example an event occuring every working day (weekly Mo-Fr)? I was expecting something like shift selection to allow me to select multiple days.
Also, there seems to be a little display issue for "the X of each month".