By webchick on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
8.x
Introduced in version: 
8.x-alpha4
Issue links: 
https://www.drupal.org/node/1981368
Description: 

For better consistency, not only within Drupal itself but also with Symfony and Symfony CMF, Drupal 8 has adopted the following naming convention for routes in module.routing.yml files:

module_name.sub_name

For example:

aggregator.category_delete
Impacts: 
Module developers