I would love to be able to mass-delete menu links. As it is now, you have to select the "delete" action for each link. This loads another page for confirmation purposes. That is so tedious,
In Drupal-land, https://www.drupal.org/project/menu_editor seems to allow that. For D8, there's also https://www.drupal.org/project/menu_delete:

(there's a request to add this to D9 core: https://www.drupal.org/project/drupal/issues/2772961)
https://www.drupal.org/project/delete_menu_options is another interesting module:

Provides extra options when deleting a menu item. You can choose to delete child menu items and decide if the linking nodes should be deleted as well.
~~PS: While at it, can we also move the confirmation form to a modal?~~ (moved to a separate issue: #769)
Recent comments
That would actually be a nice usability improvement. A lot of people already build search pages with Views, so having an easier way to convert the default search results into a View would make...
[UX] Convert search to a view.
Try using caching in the View settings, set to 24 hours. This should work for anonymous site visitors. I haven't tested this in practice, so this is just a guess.
View to show a different node each day
Have you already played with Views random seed? I belief, what you try to achieve would work with that module. Show only one node and set the sort order to "Global: Random seed" with "...
View to show a different node each day