Second sidebar

Hi you can follow this doc to create any region in Drupal: https://www.drupal.org/docs/theming-drupal/adding-regions-to-a-theme → if you have any question please let me know.

create a patch Second-sidebar-3336842-3.patch for adding a second sidebar region.
you may also create yourself : https://www.drupal.org/docs/theming-drupal/adding-regions-to-a-theme →

Testing Steps:
1. Install the drupal 10.0.x version.
2. Install and set Aristotle Theme.
3. Apply the patch.
4. Clear the cache and reload the page.

Testing result: Need Review
Second sidebar

Moved the issue to Need Review.

Patch #3 apply successfully on drupal 10. It looks good to me
Refer to screenshot
Thank you

Hi I also revised the patch.

It is applying cleanly.

Second Sidebar has been added.

Moving to RTBC.