Template Dropdown not showing up within Wordpress administrator page

Question

I am working on a Wordpress-based project, and I just added a new template to the installation by uploading a template file. I was creating a new page that will use my new templ

Answer 1

You will not see the dropdown if you have added 0 custom template files in your theme root.

When at least 1 template is available, the WordPress ecosystem picks it up and the dropdown will become visible.

Add this in your theme root to try it.