The major two issues currently are that the Robot Ninja service can't recognize the shop page, and store notices won't appear on the shop page properly.
Robot Ninja problem was resolved by adding a template class to the testing conditions. Store notices not appearing may be alright, but this fix should still be considered.
The new template doesn't do a variety of actions which WooCommerce plugins/services may expect. Standard shop page actions can be seen here:
https://businessbloomer.com/woocommerce-visual-hook-guide-archiveshopcat-page/
The major two issues currently are that the Robot Ninja service can't recognize the shop page, and store notices won't appear on the shop page properly.