Many of the actions you can perform on individual spaces as bulk actions.

Simply browse to the space navigator and select multiple spaces as if you were selecting multiple files in a file explorer.

Windows users: hold the CTRL key and select the entities or select an entity and hold the shift key for faster multiple selections
Mac users: hold the command (cmd) key and select the desired entities.

After selecting the spaces, right-click on one of the selected items and you will see all available bulk actions.

_snip_bulk_space_actions