Wondering why you can't bulk edit a specific class in your new dashboard? It's likely due to where that class was originally scheduled.

If a class was originally scheduled as recurring or added in bulk on the older version of the dashboard, it would need to be updated on the old dashboard as well for bulk edits to apply.

If a recurring class was scheduled using the older version of the dashboard it will appear like this under your Setup > Service Types > Name of the Class:

No worries, since all of your templates are already set up in your new dashboard you can quickly transfer your class data over to the new dashboard so you can bulk edit them in the new dashboard. Here is a quick video tutorial on how you can properly add the recurring class data to your new dashboard: