By spokje on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
10.1.x
Introduced in version: 
10.1.0
Issue links: 
https://www.drupal.org/node/3299946
Description: 

theme_render_and_autoescape() is not used at runtime since theme functions were removed from core; it is only used in tests. It could also be used by contrib or custom theme engines (if any exist) but does not have any uses in contrib at present.

There is no replacement. Theme engines must handle escaping by themselves (Twig already handles this in TwigExtension).

Impacts: 
Module developers
Themers