Change record status: 
Project: 
Introduced in branch: 
11.x
Introduced in version: 
10.3
Description: 

user_logout() and user_login_finalize() are deprecated and replaced with a service.

Before After
user_login_finalize($account); \Drupal::service('user.session_finalize')->finalizeLogin($account);
user_logout(); \Drupal::service('user.session_finalize')->finalizeLogout();
Impacts: 
Module developers
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