Does Post Timeline support other Types of Post of WordPress?

Yes, Post Timeline does support other post types such as default "post" or any other custom types, in the shortcode it is important to mention the type of that post type, else it will be consider 'post-timeline', to call other types of post add attribute ptl-post-type, the complete shortcode will be as follows.

[post-timeline ptl-post-type="post" category_id="xxx"]