Gagan Deep Singh

Notice: Currently works only with WordPress Classic Editor, not Gutenberg compatible
Allows you to choose primary category for posts and custom post types.
When the permalink structure includes category, the category marked as Primary, will be used for generating the permalink of the post.
Works with custom post types and custom taxonomies as long as the taxonomy supports hierarchical structure.

Easy Primary Category

Allows you to choose primary category for posts and custom post types.

denizozsen

Features: 
* Ability to designate a primary category for posts and custom post types. 
* Supports custom post types and custom taxonomies with hierarchical structure. 
* Category in permalink is the primary category, if one is set. 
* Shortcode for displaying posts with a specific primary category. 
* CLI command for listing posts with a specific primary category.

Select Primary Category

Adds the ability to designate a primary category for posts and custom post types.

Easy Primary Category vs Select Primary Category