By catch on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
8.7.x
Issue links: 
https://www.drupal.org/node/2828793
Description: 

Comment module will no longer log IP addresses with comments by default.

Existing sites will continue to log IP addresses but this can be changed by changing comment.settings.log_ip_addresses to FALSE in the site configuration using settings.php.

 $config['comment.settings']['log_ip_addresses'] = FALSE;
Impacts: 
Site builders, administrators, editors
Module developers