By acbramley on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
11.3.x
Introduced in version: 
11.3.0
Issue links: 
https://www.drupal.org/node/3035288
Description: 

_system_default_theme_features is deprecated.

Use \Drupal\Core\Extension\ThemeSettingsProvider::DEFAULT_THEME_FEATURES instead.

Impacts: 
Module developers
Themers
Site templates, recipes and distribution developers