Codeko

<p>With this plugin you can set any post type (or posts types) as parent of any post type.</p>
<p>Urls will be wellformed, redirects will work, breadcrumbs will work fine.</p>
<p>This plugin is recomended when you need a url structure with a mix of post types. Any url structure you can imagine could be done.</p>
<p><strong>Post types rewrite slugs will be ignored</strong></p>


Custom Posts Parents

Set any post type (or types) as parent of any post type. Any post structure can be created with this plugin.

Ben Lobaugh (blobaugh)

Nikhil Vimal

freshmuse

guar

<p>Automatically toggle the parent categories when a sub category is selected.</p>
<h3>1.3.4</h3>
<ul>
<li>Compatibility updates for WordPress 4.8</li>
</ul>
<h3>1.3.3</h3>
<ul>
<li>Tested with WP 4.4</li>
</ul>
<h3>1.3.2</h3>
<ul>
<li>Only load plugin assets on post (CPT included) new/edit pages in wp-admin ( Props bishoya )</li>
</ul>
<h3>1.3.1</h3>
<ul>
<li>Verify working with WP 4.0 Alpha</li>
</ul>
<h3>1.3</h3>
<ul>
<li>Updated functionality to 3.7.1</li>
</ul>
<h4>1.2</h4>
<ul>
<li>Added filter super_category_toggler to control which taxonomies will automagically toggle ( Props guar )</li>
</ul>
<h4>1.03</h4>
<ul>
<li>Plugin maint taken over by Ben Lobaugh due to abandonment</li>
<li>Tested up to version updated</li>
<li>Bumped back into the repository</li>
</ul>


Parent Category Toggler

Thank the author. [Expletive deleted] the ridiculous mechanism of WordPress.



My must-install

… it also unchecks the parent category if you uncheck a child even if there are other childs of that parent that are still checked.

This seems like a bug to me.

Not bad but …

Automatically toggle the parent categories when a sub category is selected.

Custom Posts Parents vs Parent Category Toggler