Change record status: 
Project: 
Introduced in branch: 
8.x
Description: 

The new hook to use in order to hook up a new plugin to a display is
hook_views_plugins_display_alter(array &$plugins)
and set the the new class accordingly. I.e.
$plugins['page']['class'] = 'Drupal\my_module\Plugin\views\MyExtendedPage';

Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Other updates done