By davidhernandez on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
8.0.x
Issue links: 
https://www.drupal.org/node/2416831
Description: 

$current_theme from Drupal 7 has no equivalent in Drupal 8. The function active_theme(), accessible from a Twig template, was added to provide this information.

This will print the name of the active theme:

{{ active_theme() }}
Impacts: 
Themers