WMEric

This free WooCommerce extension permits you to hide categories on your shops main page. 
For this you have to save the categories with ‘,’ seperated in woocommerce > settings > products tab section.
In order for this to work you have to have Categories displayed. This can be set via Customizer. Appearance > Customize > WooCommerce > Product Catalog.
“Choose what to display on the main shop page.” Select Show categories as seen in the Screenshot below.
<h3>Additional Information</h3>
For users who has a different/custom page for their shop you can edit the wc-hide-categories.php file 
Find line # 127 and remove //
<pre><code>//$mwd_opt4 = in_array( 'product_cat', $taxonomies ) && ! is_admin() && is_page('YOUR_PAGE_SLUG'),
</code></pre>
Then find line #129 <code>/*|| $mwd_opt4*/</code>
Change to 
 || $mwd_opt4
To remove products from those categories find line 160
<pre><code>// Uncomment the function below if you also want those products hidden
/*
 add_action( 'woocommerce_product_query', 'mwd_hwcosp_remove_product_in_cat' );

 function mwd_hwcosp_remove_product_in_cat( $q ) {
 //hwcosp_global is the databse row entry
 $opt_terms = get_option('hwcosp_global');

 // Processes our users data to the way we want it from above
 $data = mwd_hwcosp_comma_separated_to_array($opt_terms);

 $tax_query = (array) $q->get('tax_query');
 $tax_query[] = array(
 'taxonomy' => 'product_cat',
 'field' => 'slug',
 'terms' => $data, // Set Category Slug which products not show on the shop and Archieve page.
 'operator' => 'NOT IN'
 );
 $q->set( 'tax_query', $tax_query );
 }
*/
</code></pre>
The code is well documented so its easy to find what part you are looking for
If you have any question please ask in the support forum, Thanks

Hide Categories On Shop Page

Not only doesn't this plugin work right.  It throws PHP warnings and fills the error log.  
At this point, this plugin hasn't been updated in over a year.

This doesn't work

Simple solution to hide specific categories in you woocommerce shop main page i.e. domain.com/shop This plugin was based on WC Hide Categories On Shop …

ideasToCode

Key Features: 
– Disable Email Notifications for Auto-Updates 
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– Block WordPress Core and Theme Updates 
– Remove Update Buttons from Admin Panel (under Dashboard menu)
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Disable Email Notifications for Auto-Updates: 
With the introduction of WordPress 5.5, the auto-update feature was enabled, and email notifications started being sent for every update made. By simply installing this plugin, you can stop receiving these annoying notifications for every auto-update made to plugins, themes, or even the WordPress core. Please note that this plugin will not affect the auto-update feature of WordPress if it is enabled.
Block Specific Plugin Updates: 
In the “Block Plugin Updates” tab, the plugin will list all installed plugins on your website. If there are specific plugins you do not want to update, you can disable updates for those particular plugins.
Block WordPress Core and Theme Updates: 
You also have the option to block updates for the WordPress core and themes. However, this is not recommended for security reasons.
Remove Update Buttons from Admin Panel: 
If you do not want to see the “Updates” menu under the Dashboard, you can easily hide it from the admin panel menu.
Default Settings: 
By default, only the email notification feature is turned on; other settings must be configured manually.
Tutorial video
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Disable Auto Update Emails and Block Updates for Plugins, WP Core, and Themes

This plugin disables email notifications for auto-updates and blocks updates for specific plugins, hide plugins, WordPress core, and themes.

Hide Categories On Shop Page vs Disable Auto Update Emails and Block Updates for Plugins, WP Core, and Themes