You can now edit a reoccurring classes at once. You will find it on edit class button in any newly created reoccurring class. If it is reoccurring, the second button (below) will appear.
Note - you can edit everything with multiple classes, except date/times. If you need to change the date/time, simply delete the all classes (copy the description) and repost it.
This feature will only be available on newly created reocurring classes. If you want to edit already created reocurring classes, please email email@example.com.