Problem/Motivation Allow to set related product view by taxonomy terms like explained at http://www.pixelwrapped.com/blog/related-articles-block-view-nodes-common-taxonomy-terms for nodes. Proposed resolution Override the core default taxonomy term id views argument default Drupal\taxonomy\Plugin\views\argument_default\Tid and then extend it to provide commerce product entity integration. Remaining tasks Patch

Практический пример использования Route Subscriber, hook_theme() и немножко о кэшировании.

The Taxonomy Custom Controller module is a default Taxonomy Term entity canonical controller override with event. It will help you to subscribe to event and change content of term page. You can change it for specific vocabularies, or specific term with conditions you want! USAGE Simple example: