We've added a feature to make it easier to Copy, Rename, Delete, Show or Hide multiple stores in your store list in one go.
To use this feature, go to your Stores page and select one or more stores by clicking in the store selection column (usually on the left hand side). Alternatively, you can click on the column header to automatically select all stores or clear your selection.
Once you have selected some stores, the bulk operation buttons will be visible which will allow you to make the selected changes to those stores in one go.